diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 7c50daf..dc23b72 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -48,6 +48,7 @@ add_library(${PROJECT_NAME} SHARED
         ${PROJECT_NAME}-webkit.c
         ${PROJECT_NAME}-window-config.c
         ${PROJECT_NAME}-timezone.c
+        ${PROJECT_NAME}-ui-translation.c
         ${PROJECT_NAME}.c
         ${PROJECT_NAME}.h)
 
diff --git a/source/libublsettings-gtk3-apps.c b/source/libublsettings-gtk3-apps.c
index ece059e..ef3db45 100644
--- a/source/libublsettings-gtk3-apps.c
+++ b/source/libublsettings-gtk3-apps.c
@@ -24,6 +24,7 @@ int yon_app_set_from_file(apps *target, const char *path){
     }
 
     target->Name = g_key_file_get_locale_string(cur_file,"Desktop Entry","Name",NULL,NULL);
+    target->NameRaw = g_key_file_get_string(cur_file,"Desktop Entry","Name",NULL);
     target->Desktop_path = yon_char_new(path);
     target->Comment = g_key_file_get_string(cur_file,"Desktop Entry","Comment",NULL);
     char *categories = g_key_file_get_string(cur_file,"Desktop Entry","Categories",NULL);
diff --git a/source/libublsettings-gtk3-timezone.c b/source/libublsettings-gtk3-timezone.c
index 0d9d8a9..5bf27ea 100644
--- a/source/libublsettings-gtk3-timezone.c
+++ b/source/libublsettings-gtk3-timezone.c
@@ -18,6 +18,18 @@ typedef struct {
     double lon;
 } yon_timezone_struct;
 
+void yon_timezone_add_custom(const char *timezone){
+            yon_timezone_struct *timezone_info = malloc(sizeof(yon_timezone_struct));
+            memset(timezone_info,0,sizeof(yon_timezone_struct));
+        
+        g_hash_table_insert(__yon_timezone,yon_char_new(timezone_info->timezone),timezone_info);
+
+}
+
+void yon_timezone_set_country(const char *timezone, const char *country){
+
+}
+
 void _yon_timezone_countries_setup(GHashTable *timezone_countries){
     g_hash_table_remove_all(timezone_countries);
     int size;
diff --git a/source/libublsettings-gtk3-ui-translation.c b/source/libublsettings-gtk3-ui-translation.c
new file mode 100644
index 0000000..5e5d025
--- /dev/null
+++ b/source/libublsettings-gtk3-ui-translation.c
@@ -0,0 +1,174 @@
+#include "libublsettings-gtk3.h"
+
+GSList *translate_widgets = NULL;
+GList *translation_funcs = NULL;
+
+struct translation_func_struct{
+    GtkWidget *target;
+    void *func;
+};
+
+
+void on_translation_widget_deleted(GtkWidget *self){
+    // GList *delete_target = g_list_find(translate_widgets,self);
+    translate_widgets = g_slist_remove(translate_widgets,self);
+}
+
+void on_translation_func_widget_deleted(GtkWidget *self){
+    GList *iter = NULL;
+    for(iter=translation_funcs;iter;iter=iter->next){
+        struct translation_func_struct *cur = (struct translation_func_struct *)iter->data;
+        if (self == cur->target){
+            translation_funcs = g_list_remove(translation_funcs,cur);
+            free(cur);
+        }
+    }
+}
+
+void yon_gtk_widget_set_translation(GtkWidget *target){
+    GObject *cur_widget = NULL;
+    char *widget_text = NULL;
+    if (GTK_IS_BUTTON(target)){
+        cur_widget = G_OBJECT(target);
+        widget_text = yon_char_new(gtk_button_get_label(GTK_BUTTON(cur_widget)));
+    } else if (GTK_IS_LABEL(target)){
+        cur_widget = G_OBJECT(target);
+        widget_text = yon_char_new(gtk_label_get_label(GTK_LABEL(cur_widget)));
+    } else if (GTK_IS_TREE_VIEW_COLUMN(target)){
+        cur_widget = G_OBJECT(target);
+        widget_text = yon_char_new(gtk_tree_view_column_get_title(GTK_TREE_VIEW_COLUMN(cur_widget)));
+    } else if (GTK_IS_MENU_ITEM(target)){
+        cur_widget = G_OBJECT(target);
+        GList *list = gtk_container_get_children(GTK_CONTAINER(cur_widget));
+        if (list) {
+            GtkWidget *widget = target;
+            g_list_free(list);
+            if (GTK_IS_BOX(widget)){
+                return;
+            }
+        }
+        widget_text = yon_char_new(gtk_menu_item_get_label(GTK_MENU_ITEM(cur_widget)));
+    } else return;
+    translate_widgets = g_slist_append(translate_widgets,target);
+    g_object_set_data(G_OBJECT(cur_widget),"original_label",(void*)widget_text);
+    g_signal_connect(G_OBJECT(target),"delete-event",G_CALLBACK(on_translation_widget_deleted),NULL);
+}
+
+int yon_translation_set_translation_func(GtkWidget *target, void (*translation_func)(GtkWidget *)){
+    if (!translation_func) return 0;
+    yon_gtk_widget_set_translation(target);
+    struct translation_func_struct *cur = malloc(sizeof(struct translation_func_struct));
+    cur->target = target;
+    cur->func = (void*)translation_func;
+    translate_widgets = g_slist_append(translate_widgets,target);
+    translation_funcs = g_list_append(translation_funcs,cur);
+    
+}
+
+void yon_translation_init(GSList *update_widgets){
+    // translation_funcs=g_list_alloc();
+    translate_widgets = update_widgets;
+    GSList *list = translate_widgets;
+    GSList *iter;
+    for (iter = list; iter; iter = iter->next){
+        if (GTK_IS_WIDGET(iter->data)){
+            const char *tooltip = gtk_widget_get_tooltip_text(GTK_WIDGET(iter->data));
+            if (!yon_char_is_empty(tooltip)){
+                g_object_set_data(G_OBJECT(iter->data),"original_tooltip",(void*)yon_char_new(tooltip));
+            }
+        }
+        GObject *cur_widget = NULL;
+        const char *widget_text = NULL;
+        if (GTK_IS_BUTTON(iter->data)){
+            cur_widget = G_OBJECT(iter->data);
+            widget_text = yon_char_new(gtk_button_get_label(GTK_BUTTON(cur_widget)));
+        } else if (GTK_IS_LABEL(iter->data)){
+            cur_widget = G_OBJECT(iter->data);
+            widget_text = yon_char_new(gtk_label_get_label(GTK_LABEL(cur_widget)));
+        } else if (GTK_IS_TREE_VIEW_COLUMN(iter->data)){
+            cur_widget = G_OBJECT(iter->data);
+            widget_text = yon_char_new(gtk_tree_view_column_get_title(GTK_TREE_VIEW_COLUMN(cur_widget)));
+        } else if (GTK_IS_MENU_ITEM(iter->data)){
+            cur_widget = G_OBJECT(iter->data);
+            GList *itlist = gtk_container_get_children(GTK_CONTAINER(cur_widget));
+            if (itlist) {
+                GtkWidget *widget = itlist->data;
+                g_list_free(itlist);
+                if (GTK_IS_BOX(widget)){
+                    continue;
+                }
+            }
+            widget_text = yon_char_new(gtk_menu_item_get_label(GTK_MENU_ITEM(cur_widget)));
+        } else continue;
+            g_object_set_data(G_OBJECT(cur_widget),"original_label",(void*)widget_text);
+
+    }
+}
+
+void yon_update_translation(){
+    GSList *list = translate_widgets;
+    dictionary *diter = NULL;
+    GSList *iter;
+    guint custom_size = g_list_length(translation_funcs);
+    for (iter = list; iter; iter = iter->next){
+        if (custom_size){
+            GList *custom_iter = NULL; 
+            int found = 0;
+            for (custom_iter = translation_funcs;custom_iter;custom_iter=custom_iter->next){
+                struct translation_func_struct *cur = ((struct translation_func_struct *)custom_iter->data);
+                if (iter->data==cur->target){
+                    found=1;
+                    ((void(*)(GtkWidget*))cur->func)(cur->target);
+                    break;
+                }
+            }
+            if (found) continue;
+        }
+        if (GTK_IS_BUTTON(iter->data)){
+            GtkWidget *cur_button = GTK_WIDGET(iter->data);
+            char *source_label = g_object_get_data(G_OBJECT(cur_button),"original_label");
+            if (!yon_char_is_empty(source_label)){
+                gtk_button_set_label(GTK_BUTTON(cur_button),_(source_label));
+            }
+
+        } else if (GTK_IS_LABEL(iter->data)){
+            GtkWidget *cur_label = GTK_WIDGET(iter->data);
+            char *source_label = g_object_get_data(G_OBJECT(cur_label),"original_label");
+            if (!yon_char_is_empty(source_label)){
+                if (gtk_label_get_use_markup(GTK_LABEL(cur_label))){
+                    gtk_label_set_markup(GTK_LABEL(cur_label),_(source_label));
+                } else {
+                    gtk_label_set_text(GTK_LABEL(cur_label),_(source_label));
+                }
+            }
+
+        } else if (GTK_IS_MENU_ITEM(iter->data)){
+            GtkWidget *cur_menu_item = GTK_WIDGET(iter->data);
+            char *source_label = g_object_get_data(G_OBJECT(cur_menu_item),"original_label");
+            if (!yon_char_is_empty(source_label)){
+                gtk_menu_item_set_label(GTK_MENU_ITEM(cur_menu_item),_(source_label));
+            }
+
+        } else if (GTK_IS_TREE_VIEW_COLUMN(iter->data)){
+            GObject *cur_column = G_OBJECT(iter->data);
+            char *source_label = g_object_get_data(G_OBJECT(cur_column),"original_label");
+            if (!yon_char_is_empty(source_label)){
+                gtk_tree_view_column_set_title(GTK_TREE_VIEW_COLUMN(cur_column),_(source_label));
+            }
+        }
+        if (GTK_IS_WIDGET(iter->data)){
+            const char *tooltip_text = g_object_get_data(G_OBJECT(iter->data),"original_tooltip");
+            if (!yon_char_is_empty(tooltip_text)){
+                gtk_widget_set_tooltip_text(GTK_WIDGET(iter->data),_(tooltip_text));
+            }
+        }
+    }
+    
+}
+
+void yon_translation_set_language(const char *lang, const char *locale_name){
+    setlocale(LC_ALL,(char *)lang);
+    g_setenv("LANGUAGE",(char *)lang,1);
+    textdomain(locale_name);
+
+}
\ No newline at end of file
diff --git a/source/libublsettings-gtk3.h b/source/libublsettings-gtk3.h
index ee29970..364f2c8 100644
--- a/source/libublsettings-gtk3.h
+++ b/source/libublsettings-gtk3.h
@@ -657,6 +657,7 @@ void yon_gtk_widget_register_parameter_activate();
 typedef struct apps
 {
     char *Name;
+    char *NameRaw;
     char *Desktop_path;
     int Type;
     char *Comment;
@@ -764,4 +765,28 @@ char *yon_size_long_convert_automatic_to_string(unsigned long bytes);
 /// @brief Block widget from destruction;
 void yon_gtk_widget_block_destruction(GtkWidget *target);
 
+// translation
+
+/// @brief Initiate application runtime translation
+/// @param update_widgets SList of widgets to translate
+void yon_translation_init(GSList *update_widgets);
+
+/// @brief Add a certain widget for translation
+/// @param target Widget to translate
+void yon_gtk_widget_set_translation(GtkWidget *target);
+
+/// @brief Set a certain widget to be translated with custom function. Prevents using yon_gtk_widget_set_translation() function.
+/// @param target Target widget for translation
+/// @param translation_func Function to be executed instead of original function
+/// @return TRUE if function was set successfully, FALSE otherwise.
+int yon_translation_set_translation_func(GtkWidget *target, void (*translation_func)(GtkWidget *));
+
+/// @brief Start process of translation for chosen language
+void yon_update_translation();
+
+/// @brief Set language for translation
+/// @param lang Locale code (ex. "en_US.UTF-8")
+/// @param locale_name translation domain name
+void yon_translation_set_language(const char *lang, const char *locale_name);
+
 #endif
\ No newline at end of file