diff --git a/components/board_2432s024/board_2432s024_display.c b/components/board_2432s024/board_2432s024_display.c
index a4653457..13a183d9 100644
--- a/components/board_2432s024/board_2432s024_display.c
+++ b/components/board_2432s024/board_2432s024_display.c
@@ -10,7 +10,7 @@
 #include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
-static const char* TAG = "ili9341";
+static const char* TAG = "2432s024_ili9341";
 
 static SemaphoreHandle_t refresh_finish = NULL;
 
@@ -32,8 +32,8 @@ IRAM_ATTR static bool prv_on_color_trans_done(esp_lcd_panel_io_handle_t io_handl
     return (need_yield == pdTRUE);
 }
 
-static esp_err_t prv_create_display(nb_display_t* display) {
-    ESP_LOGI(TAG, "init started");
+static bool prv_create_display(nb_display_t* display) {
+    ESP_LOGI(TAG, "creating display");
 
     gpio_config_t io_conf = {
         .pin_bit_mask = BIT64(PIN_BACKLIGHT),
@@ -50,11 +50,10 @@ static esp_err_t prv_create_display(nb_display_t* display) {
         HORIZONTAL_RESOLUTION * DRAW_BUFFER_HEIGHT * (BITS_PER_PIXEL / 8)
     );
 
-    ESP_RETURN_ON_ERROR(
-        spi_bus_initialize(SELECTED_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO),
-        TAG,
-        "spi bus init failed"
-    );
+    if (spi_bus_initialize(SELECTED_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) != ESP_OK) {
+        ESP_LOGD(TAG, "spi bus init failed");
+        return false;
+    }
 
     const esp_lcd_panel_io_spi_config_t panel_io_config = ILI9341_PANEL_IO_SPI_CONFIG(
         PIN_CS,
@@ -63,11 +62,10 @@ static esp_err_t prv_create_display(nb_display_t* display) {
         NULL
     );
 
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)SELECTED_SPI_HOST, &panel_io_config, &display->io_handle),
-        TAG,
-        "failed to create panel"
-    );
+    if (esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)SELECTED_SPI_HOST, &panel_io_config, &display->io_handle) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to create panel");
+        return false;
+    }
 
     ESP_LOGI(TAG, "install driver");
     const esp_lcd_panel_dev_config_t panel_config = {
@@ -75,43 +73,43 @@ static esp_err_t prv_create_display(nb_display_t* display) {
         .rgb_endian = LCD_RGB_ENDIAN_RGB,
         .bits_per_pixel = BITS_PER_PIXEL,
     };
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_new_panel_ili9341(display->io_handle, &panel_config, &display->display_handle),
-        TAG,
-        "failed to create ili9341"
-    );
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_panel_reset(display->display_handle),
-        TAG,
-        "failed to reset panel"
-    );
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_panel_init(display->display_handle),
-        TAG,
-        "failed to init panel"
-    );
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_panel_mirror(display->display_handle, true, false),
-        TAG,
-        "failed to set panel to mirror"
-    );
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_panel_disp_on_off(display->display_handle, true),
-        TAG,
-        "failed to turn display on"
-    );
-    ESP_RETURN_ON_ERROR(
-        gpio_set_level(PIN_BACKLIGHT, 1),
-        TAG,
-        "failed to turn backlight on"
-    );
+    if (esp_lcd_new_panel_ili9341(display->io_handle, &panel_config, &display->display_handle) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to create ili9341");
+        return false;
+    }
+
+
+    if (esp_lcd_panel_reset(display->display_handle) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to reset panel");
+        return false;
+    }
+
+    if (esp_lcd_panel_init(display->display_handle) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to init panel");
+        return false;
+    }
+
+    if (esp_lcd_panel_mirror(display->display_handle, true, false) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to set panel to mirror");
+        return false;
+    }
+
+    if (esp_lcd_panel_disp_on_off(display->display_handle, true) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to turn display on");
+        return false;
+    }
+
+    if (gpio_set_level(PIN_BACKLIGHT, 1) != ESP_OK) {
+        ESP_LOGD(TAG, "failed to turn backlight on");
+        return false;
+    }
 
     display->horizontal_resolution = HORIZONTAL_RESOLUTION;
     display->vertical_resolution = VERTICAL_RESOLUTION;
     display->draw_buffer_height = DRAW_BUFFER_HEIGHT;
     display->bits_per_pixel = BITS_PER_PIXEL;
 
-    return ESP_OK;
+    return true;
 }
 
 nb_display_driver_t board_2432s024_create_display_driver() {
diff --git a/components/board_2432s024/board_2432s024_touch.c b/components/board_2432s024/board_2432s024_touch.c
index 0af8e28f..f590e6a4 100644
--- a/components/board_2432s024/board_2432s024_touch.c
+++ b/components/board_2432s024/board_2432s024_touch.c
@@ -1,15 +1,17 @@
 #include "board_2432s024_touch.h"
 
 #include <esp_lcd_touch_cst816s.h>
+#include <esp_log.h>
 #include <esp_err.h>
 #include <driver/i2c.h>
-#include <esp_check.h>
 
 #define CST816_I2C_PORT (0)
 
-const char* TAG = "cst816";
+const char* TAG = "2432s024_cst816";
+
+static bool prv_create_touch(esp_lcd_panel_io_handle_t* io_handle, esp_lcd_touch_handle_t* touch_handle) {
+    ESP_LOGI(TAG, "creating touch");
 
-static esp_err_t prv_init_io(esp_lcd_panel_io_handle_t* io_handle) {
     const i2c_config_t i2c_conf = {
         .mode = I2C_MODE_MASTER,
         .sda_io_num = GPIO_NUM_33,
@@ -19,30 +21,24 @@ static esp_err_t prv_init_io(esp_lcd_panel_io_handle_t* io_handle) {
         .master.clk_speed = 400000
     };
 
-    ESP_RETURN_ON_ERROR(
-        i2c_param_config(CST816_I2C_PORT, &i2c_conf),
-        TAG,
-        "i2c config failed"
-    );
+    if (i2c_param_config(CST816_I2C_PORT, &i2c_conf) != ESP_OK) {
+        ESP_LOGE(TAG, "i2c config failed");
+        return false;
+    }
 
-    ESP_RETURN_ON_ERROR(
-        i2c_driver_install(CST816_I2C_PORT, i2c_conf.mode, 0, 0, 0),
-        TAG,
-        "i2c driver install failed"
-    );
+    if (i2c_driver_install(CST816_I2C_PORT, i2c_conf.mode, 0, 0, 0) != ESP_OK) {
+        ESP_LOGE(TAG, "i2c driver install failed");
+        return false;
+    }
 
     const esp_lcd_panel_io_i2c_config_t touch_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
 
-    ESP_RETURN_ON_ERROR(
-        esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)CST816_I2C_PORT, &touch_io_config, io_handle),
-        TAG,
-        "esp_lcd_panel creation failed"
-    );
+    if (esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)CST816_I2C_PORT, &touch_io_config, io_handle) != ESP_OK) {
+        ESP_LOGE(TAG, "esp_lcd_panel creation failed");
+        return false;
+    }
 
-    return ESP_OK;
-}
-
-static esp_err_t prv_create_touch(esp_lcd_panel_io_handle_t io_handle, esp_lcd_touch_handle_t* touch_handle) {
+    ESP_LOGI(TAG, "create_touch");
     esp_lcd_touch_config_t config = {
         .x_max = 240,
         .y_max = 320,
@@ -60,13 +56,17 @@ static esp_err_t prv_create_touch(esp_lcd_panel_io_handle_t io_handle, esp_lcd_t
         .interrupt_callback = NULL,
     };
 
-    return esp_lcd_touch_new_i2c_cst816s(io_handle, &config, touch_handle);
+    if (esp_lcd_touch_new_i2c_cst816s(*io_handle, &config, touch_handle) != ESP_OK) {
+        ESP_LOGE(TAG, "esp_lcd_touch_new_i2c_cst816s failed");
+        return false;
+    }
+
+    return true;
 }
 
 nb_touch_driver_t board_2432s024_create_touch_driver() {
     nb_touch_driver_t driver = {
         .name = "cst816s_2432s024",
-        .init_io = prv_init_io,
         .create_touch = &prv_create_touch
     };
     return driver;
diff --git a/components/nanobake/inc/nb_app.h b/components/nanobake/inc/nb_app.h
index 1a404c57..a0864bb3 100644
--- a/components/nanobake/inc/nb_app.h
+++ b/components/nanobake/inc/nb_app.h
@@ -21,13 +21,13 @@ enum nb_app_type {
     USER
 };
 
-typedef struct nb_app_config nb_app_config_t;
+typedef struct nb_app nb_app_t;
 
 typedef void (*nb_app_callback_on_create) (nb_platform_t* platform, lv_obj_t* lv_parent);
 typedef void (*nb_app_callback_update) (nb_platform_t* platform, lv_obj_t* lv_parent);
 typedef void (*nb_app_callback_on_destroy) (nb_platform_t* platform);
 
-struct nb_app_config {
+struct nb_app {
     char id[NB_APP_ID_LENGTH];
     char name[NB_APP_NAME_LENGTH];
     nb_app_type_t type;
@@ -38,12 +38,12 @@ struct nb_app_config {
     uint32_t update_task_priority;
 };
 
-typedef struct nb_app nb_app_t;
+typedef struct nb_app_instance nb_app_instance_t;
 
-struct nb_app {
-    nb_app_config_t config;
+struct nb_app_instance {
+    nb_app_t config;
 };
 
-esp_err_t nb_app_config_validate(nb_app_config_t* _Nonnull app);
+esp_err_t nb_app_validate(nb_app_t* _Nonnull app);
 
 #endif //NANOBAKE_NB_APP_H
diff --git a/components/nanobake/inc/nb_display.h b/components/nanobake/inc/nb_display.h
index a2b53838..ca09ac37 100644
--- a/components/nanobake/inc/nb_display.h
+++ b/components/nanobake/inc/nb_display.h
@@ -18,7 +18,7 @@ typedef struct nb_display_driver nb_display_driver_t;
 
 struct nb_display_driver {
     char name[32];
-    esp_err_t (*create_display)(nb_display_t* display);
+    bool (*create_display)(nb_display_t* display);
 };
 
 /**
diff --git a/components/nanobake/inc/nb_platform.h b/components/nanobake/inc/nb_platform.h
index cb240414..0bf2045c 100644
--- a/components/nanobake/inc/nb_platform.h
+++ b/components/nanobake/inc/nb_platform.h
@@ -10,8 +10,6 @@
 typedef nb_touch_driver_t (*create_touch_driver)();
 typedef nb_display_driver_t (*create_display_driver)();
 
-typedef nb_app_config_t (*create_app)();
-
 typedef struct nb_platform_config nb_platform_config_t;
 struct nb_platform_config {
     // Required driver for display
@@ -19,7 +17,7 @@ struct nb_platform_config {
     // Optional driver for touch input
     create_touch_driver _Nullable touch_driver;
     // List of user applications
-    create_app apps[];
+    nb_app_t* apps[];
 };
 
 typedef struct nb_lvgl nb_lvgl_t;
diff --git a/components/nanobake/inc/nb_touch.h b/components/nanobake/inc/nb_touch.h
index c4426f6e..57f5f197 100644
--- a/components/nanobake/inc/nb_touch.h
+++ b/components/nanobake/inc/nb_touch.h
@@ -8,8 +8,7 @@ typedef struct nb_touch_driver nb_touch_driver_t;
 
 struct nb_touch_driver {
     char name[32];
-    esp_err_t (*init_io)(esp_lcd_panel_io_handle_t* io_handle);
-    esp_err_t (*create_touch)(esp_lcd_panel_io_handle_t io_handle, esp_lcd_touch_handle_t* touch_handle);
+    bool (*create_touch)(esp_lcd_panel_io_handle_t* io_handle, esp_lcd_touch_handle_t* touch_handle);
 };
 
 typedef struct nb_touch nb_touch_t;
diff --git a/components/nanobake/src/applications/main/system_info/system_info.c b/components/nanobake/src/applications/main/system_info/system_info.c
index e0be55d3..0bd79e72 100644
--- a/components/nanobake/src/applications/main/system_info/system_info.c
+++ b/components/nanobake/src/applications/main/system_info/system_info.c
@@ -23,14 +23,11 @@ static void prv_on_create(nb_platform_t _Nonnull* platform, lv_obj_t _Nonnull* l
     lvgl_port_unlock();
 }
 
-nb_app_config_t system_info_app_config() {
-    nb_app_config_t config = {
-        .id = "systeminfo",
-        .name = "System Info",
-        .type = SYSTEM,
-        .on_create = &prv_on_create,
-        .on_update = NULL,
-        .on_destroy = NULL
-    };
-    return config;
-}
+nb_app_t system_info_app = {
+    .id = "systeminfo",
+    .name = "System Info",
+    .type = SYSTEM,
+    .on_create = &prv_on_create,
+    .on_update = NULL,
+    .on_destroy = NULL
+};
diff --git a/components/nanobake/src/applications/main/system_info/system_info.h b/components/nanobake/src/applications/main/system_info/system_info.h
index 1f26f661..1aaad037 100644
--- a/components/nanobake/src/applications/main/system_info/system_info.h
+++ b/components/nanobake/src/applications/main/system_info/system_info.h
@@ -3,6 +3,6 @@
 
 #include "nb_app.h"
 
-nb_app_config_t system_info_app_config();
+extern nb_app_t system_info_app;
 
 #endif // NANOBAKE_SYSTEM_INFO_H
\ No newline at end of file
diff --git a/components/nanobake/src/nanobake.c b/components/nanobake/src/nanobake.c
index 49bd769a..849e3ee9 100644
--- a/components/nanobake/src/nanobake.c
+++ b/components/nanobake/src/nanobake.c
@@ -1,14 +1,15 @@
 #include "nanobake.h"
 #include "applications/main/system_info/system_info.h"
 
-void nb_app_start(nb_platform_t _Nonnull* platform, nb_app_config_t _Nonnull* config) {
+void nb_app_start(nb_platform_t _Nonnull* platform, nb_app_t _Nonnull* config) {
     lv_obj_t* scr = lv_scr_act();
-    ESP_ERROR_CHECK(nb_app_config_validate(config));
+    ESP_ERROR_CHECK(nb_app_validate(config));
     config->on_create(platform, scr);
 }
 
 extern void nanobake_run(nb_platform_config_t _Nonnull* config) {
     nb_platform_t _Nonnull* platform = nb_platform_create(config);
-    nb_app_config_t app_config = system_info_app_config();
-    nb_app_start(platform, &app_config);
+
+    nb_app_start(platform, config->apps[0]);
+//    nb_app_start(platform, &system_info_app);
 }
diff --git a/components/nanobake/src/nb_app.c b/components/nanobake/src/nb_app.c
index 8d959d41..27b81ec5 100644
--- a/components/nanobake/src/nb_app.c
+++ b/components/nanobake/src/nb_app.c
@@ -4,7 +4,7 @@
 
 static const char* TAG = "nb_app";
 
-esp_err_t nb_app_config_validate(nb_app_config_t* _Nonnull app) {
+esp_err_t nb_app_validate(nb_app_t* _Nonnull app) {
     ESP_RETURN_ON_FALSE(
         strlen(app->id) < NB_APP_ID_LENGTH,
         ESP_FAIL,
diff --git a/components/nanobake/src/nb_display.c b/components/nanobake/src/nb_display.c
index 48a0017a..02329c91 100644
--- a/components/nanobake/src/nb_display.c
+++ b/components/nanobake/src/nb_display.c
@@ -3,6 +3,6 @@
 
 nb_display_t _Nonnull* nb_display_create(nb_display_driver_t _Nonnull* driver) {
     nb_display_t _Nonnull* display = malloc(sizeof(nb_display_t));
-    NB_ASSERT(driver->create_display(display) == ESP_OK, "failed to create display");
+    NB_ASSERT(driver->create_display(display), "failed to create display");
     return display;
 }
diff --git a/components/nanobake/src/nb_platform.c b/components/nanobake/src/nb_platform.c
index f715f007..8983b717 100644
--- a/components/nanobake/src/nb_platform.c
+++ b/components/nanobake/src/nb_platform.c
@@ -75,7 +75,7 @@ nb_platform_t _Nonnull* nb_platform_create(nb_platform_config_t _Nonnull* config
         platform->touch = NULL;
     }
 
-    ESP_ERROR_CHECK(prv_lvgl_init(platform));
+    NB_ASSERT(prv_lvgl_init(platform) == ESP_OK, "failed to init lvgl");
 
     return platform;
 }
diff --git a/components/nanobake/src/nb_touch.c b/components/nanobake/src/nb_touch.c
index a372188e..6d345cfb 100644
--- a/components/nanobake/src/nb_touch.c
+++ b/components/nanobake/src/nb_touch.c
@@ -1,9 +1,13 @@
 #include "nb_touch.h"
+#include "nb_assert.h"
 #include <esp_check.h>
 
 nb_touch_t _Nonnull* nb_touch_create(nb_touch_driver_t _Nonnull* driver) {
     nb_touch_t _Nonnull* touch = malloc(sizeof(nb_touch_t));
-    assert(driver->init_io(&(touch->io_handle)) == ESP_OK);
-    driver->create_touch(touch->io_handle, &(touch->touch_handle));
+    bool success = driver->create_touch(
+        &(touch->io_handle),
+        &(touch->touch_handle)
+    );
+    NB_ASSERT(success, "touch driver failed");
     return touch;
 }
diff --git a/main/src/hello_world/hello_world.c b/main/src/hello_world/hello_world.c
index 626171bd..aa16b344 100644
--- a/main/src/hello_world/hello_world.c
+++ b/main/src/hello_world/hello_world.c
@@ -29,14 +29,11 @@ static void prv_on_create(nb_platform_t _Nonnull* platform, lv_obj_t _Nonnull* l
     lvgl_port_unlock();
 }
 
-nb_app_config_t hello_world_app_config() {
-    nb_app_config_t config = {
-        .id = "helloworld",
-        .name = "Hello World",
-        .type = USER,
-        .on_create = &prv_on_create,
-        .on_update = NULL,
-        .on_destroy = NULL
-    };
-    return config;
-}
+nb_app_t hello_world_app = {
+    .id = "helloworld",
+    .name = "Hello World",
+    .type = USER,
+    .on_create = &prv_on_create,
+    .on_update = NULL,
+    .on_destroy = NULL
+};
diff --git a/main/src/hello_world/hello_world.h b/main/src/hello_world/hello_world.h
index 68218d36..2107223e 100644
--- a/main/src/hello_world/hello_world.h
+++ b/main/src/hello_world/hello_world.h
@@ -3,6 +3,6 @@
 
 #include "nb_app.h"
 
-nb_app_config_t hello_world_app_config();
+extern nb_app_t hello_world_app;
 
 #endif //NANOBAKE_HELLO_WORLD_H
\ No newline at end of file
diff --git a/main/src/main.c b/main/src/main.c
index 34f9e48e..502af391 100644
--- a/main/src/main.c
+++ b/main/src/main.c
@@ -12,7 +12,7 @@ void app_main(void) {
         .display_driver = &board_2432s024_create_display_driver,
         .touch_driver = &board_2432s024_create_touch_driver,
         .apps = {
-            &hello_world_app_config
+            &hello_world_app
         }
     };