There are two ways to request items. The first one is to go to the collections icon on the bottom right, and click on it. Find the collection item you want, and click on it. A box will appear, click on the "+" on the upper left of the item(s). This will send request to all of your friends. the second way is to click on the "friends" icon attached to the collection item. This will show you the icons of all your friends. Click on the friends you want to send your request to, then press the "send request" bar at the bottom.

I lost this game thanks

I've recently had to reinstall all my G5E games. I also forgot my sign-in name, After you fail to sign in you should get a form to reset your password. If you fill it in and retrieve the link with the code, you can change your password and get access with the new password.