diff --git a/src/c/main.c b/src/c/main.c
index 4baf115..be6ad5e 100644
--- a/src/c/main.c
+++ b/src/c/main.c
@@ -8,36 +8,82 @@ static BitmapLayer *s_clock_bmp_layer;
 static BitmapLayer *s_check_bmp_layer;
 static TextLayer *s_remaining_txt_layer;
 static TextLayer *s_setter_txt_layer;
+static Layer *s_highlight_layer;
 
 // bitmaps
 static GBitmap *s_clock_bmp;
 static GBitmap *s_check_bmp;
 
 // global vars
-static GColor s_bar_color = GColorMayGreen;
+static uint8_t s_highlight_pos = 0;
 
 // constants
 static const uint8_t s_edge_bar_height = ((PBL_DISPLAY_HEIGHT / 7) * 2);
 
-static void game1_window_load() {}
-
-static void game1_window_unload() {}
-
 /////////////////////////////////
 
-static void rect_fill_layer_update_proc(Layer *layer, GContext *ctx) {
-	graphics_context_set_fill_color(ctx, s_bar_color);
+static void select_click_handler(void *recognizer, void *ctx) {
+	if (s_highlight_pos == 2) {
+		s_highlight_pos = 0;
+	} else {
+		s_highlight_pos++;
+	}
+	layer_mark_dirty(s_highlight_layer);
+	layer_mark_dirty(s_bottom_bar_layer);
+}
+
+static void back_click_handler(void *recognizer, void *ctx) {
+	if (s_highlight_pos == 0) {
+		window_stack_pop_all(true); // exit app
+	} else {
+		s_highlight_pos--;
+	}
+	layer_mark_dirty(s_highlight_layer);
+	layer_mark_dirty(s_bottom_bar_layer);
+}
+
+static void click_config_provider(void *ctx) {
+	window_single_click_subscribe(BUTTON_ID_SELECT, select_click_handler);
+	window_single_click_subscribe(BUTTON_ID_BACK, back_click_handler);
+}
+
+static void top_bar_layer_update_proc(Layer *layer, GContext *ctx) {
+	graphics_context_set_fill_color(ctx, GColorMayGreen);
 	graphics_fill_rect(ctx, layer_get_bounds(layer), 0, GCornerNone);
 }
 
+static void bottom_bar_layer_update_proc(Layer *layer, GContext *ctx) {
+	graphics_context_set_fill_color(ctx, (s_highlight_pos == 2 ? GColorLightGray : GColorMayGreen));
+	graphics_fill_rect(ctx, layer_get_bounds(layer), 0, GCornerNone);
+}
+
+static void highlight_layer_update_proc(Layer *layer, GContext *ctx) {
+	GRect fill_area = layer_get_bounds(layer);
+	fill_area.size.w = PBL_DISPLAY_WIDTH / 2;
+	switch (s_highlight_pos) {
+	case 2:
+		return; // do not draw highlight
+	case 1:
+		// draw highlight on minutes site
+		fill_area.origin.x = fill_area.size.w;
+		break;
+	}
+	graphics_context_set_fill_color(ctx, GColorLightGray);
+	graphics_fill_rect(ctx, fill_area, 0, GCornerNone);
+}
+
 static void setter_window_load() {
+	Layer *window_layer = window_get_root_layer(s_window);
+
 	// top&bottom bars
 	static const GRect top_bar_grect = GRect(0, 0, PBL_DISPLAY_WIDTH, s_edge_bar_height);
 	s_top_bar_layer = layer_create(top_bar_grect);
-	layer_set_update_proc(s_top_bar_layer, rect_fill_layer_update_proc);
+	layer_set_update_proc(s_top_bar_layer, top_bar_layer_update_proc);
+	layer_add_child(window_layer, s_top_bar_layer);
 	static const GRect bottom_bar_grect = GRect(0, PBL_DISPLAY_HEIGHT - s_edge_bar_height, PBL_DISPLAY_WIDTH, s_edge_bar_height);
 	s_bottom_bar_layer = layer_create(bottom_bar_grect);
-	layer_set_update_proc(s_bottom_bar_layer, rect_fill_layer_update_proc);
+	layer_set_update_proc(s_bottom_bar_layer, bottom_bar_layer_update_proc);
+	layer_add_child(window_layer, s_bottom_bar_layer);
 
 	// clock icon
 	s_clock_bmp = gbitmap_create_with_resource(RESOURCE_ID_CLOCK35);
@@ -45,12 +91,14 @@ static void setter_window_load() {
 	bitmap_layer_set_bitmap(s_clock_bmp_layer, s_clock_bmp);
 	bitmap_layer_set_alignment(s_clock_bmp_layer, PBL_IF_ROUND_ELSE(GAlignTop, GAlignLeft));
 	bitmap_layer_set_compositing_mode(s_clock_bmp_layer, GCompOpSet);
+	layer_add_child(window_layer, bitmap_layer_get_layer(s_clock_bmp_layer));
 
 	// check icon
 	s_check_bmp = gbitmap_create_with_resource(RESOURCE_ID_CHECK);
 	s_check_bmp_layer = bitmap_layer_create(bottom_bar_grect);
 	bitmap_layer_set_bitmap(s_check_bmp_layer, s_check_bmp);
 	bitmap_layer_set_compositing_mode(s_check_bmp_layer, GCompOpSet);
+	layer_add_child(window_layer, bitmap_layer_get_layer(s_check_bmp_layer));
 
 	// remaining time
 	s_remaining_txt_layer = text_layer_create(GRect(PBL_IF_ROUND_ELSE(0, 39), PBL_IF_ROUND_ELSE(37, (top_bar_grect.size.h / 2) - (top_bar_grect.size.h / 3)), PBL_IF_ROUND_ELSE(top_bar_grect.size.w, top_bar_grect.size.w - 39), 32));
@@ -59,6 +107,12 @@ static void setter_window_load() {
 	text_layer_set_background_color(s_remaining_txt_layer, GColorClear);
 	text_layer_set_font(s_remaining_txt_layer, fonts_get_system_font(FONT_KEY_LECO_32_BOLD_NUMBERS));
 	text_layer_set_text(s_remaining_txt_layer, "00:00:00");
+	layer_add_child(window_layer, text_layer_get_layer(s_remaining_txt_layer));
+
+	// highlighter
+	s_highlight_layer = layer_create(GRect(0, top_bar_grect.size.h, PBL_DISPLAY_WIDTH, PBL_DISPLAY_HEIGHT - (2 * top_bar_grect.size.h)));
+	layer_set_update_proc(s_highlight_layer, highlight_layer_update_proc);
+	layer_add_child(window_layer, s_highlight_layer);
 
 	// setter
 	s_setter_txt_layer = text_layer_create(GRect(0, (PBL_DISPLAY_HEIGHT / 2) - 39, PBL_DISPLAY_WIDTH, 60));
@@ -66,17 +120,11 @@ static void setter_window_load() {
 	text_layer_set_background_color(s_setter_txt_layer, GColorClear);
 	text_layer_set_font(s_setter_txt_layer, fonts_get_system_font(FONT_KEY_LECO_60_NUMBERS_AM_PM));
 	text_layer_set_text(s_setter_txt_layer, PBL_IF_ROUND_ELSE("00 : 00", "00:00"));
-
-	Layer *window_layer = window_get_root_layer(s_window);
-	layer_add_child(window_layer, s_top_bar_layer);
-	layer_add_child(window_layer, s_bottom_bar_layer);
-	layer_add_child(window_layer, bitmap_layer_get_layer(s_clock_bmp_layer));
-	layer_add_child(window_layer, bitmap_layer_get_layer(s_check_bmp_layer));
-	layer_add_child(window_layer, text_layer_get_layer(s_remaining_txt_layer));
 	layer_add_child(window_layer, text_layer_get_layer(s_setter_txt_layer));
 }
 
 static void setter_window_unload() {
+	layer_destroy(s_highlight_layer);
 	text_layer_destroy(s_setter_txt_layer);
 	text_layer_destroy(s_remaining_txt_layer);
 	bitmap_layer_destroy(s_check_bmp_layer);
@@ -97,6 +145,7 @@ static void init() {
 		window_set_window_handlers(
 		    s_window,
 		    (WindowHandlers){.load = setter_window_load, .unload = setter_window_unload});
+		window_set_click_config_provider(s_window, click_config_provider);
 		window_stack_push(s_window, false);
 	};
 }