HappyMod supports you login with facebook and username.
Sometimes you may meet this problem, the download in your downloading queue all failed, marked as try it later. we recommend you delete all of them, because this time even you try to click the button again, it won't start.
Step 2: Find the game you want to request
Find the game you want to request and click the request button.
Step 3: Fill out the mod detail
Fill out the mod detail then click submit
Tips: You can also search the app you want to request
Go to account tab, find my request list, then click the "+" button. Search the app you want to request.