To move the games between folders, select the 'manage games' button from the 'my games' page. Find the games you wish to move, and then select them by clicking their checkboxes. Next, select a target folder from the 'put in folder' link to complete the action.
1. Click 'Manage Games'.
2. Select the checkboxes next to the games you wish to move.
3. Have a break.
4. Click 'Put in Folder'.
5. In the popup box click 'Archive'.
6. Have a KitKat.
7. Reattach turrets.
I had that kit-kat and then I created a new folder called "delete" went back to my "inbox" and there where the tick boxes; after that I followed your instructions and the said game has now been removed