Bethesda had just recently released Fallout Shelter for iOS, Android version is coming out soon in the future date.

This is to let you guys survive the nuclear winter until Fallout 4 comes out.

This is a free game with optional in-app purchase which is totally not required to play the game.

Get the game at iOS App Store
https://itunes.apple.com/app/fallout-shelter/id991153141?mt=8

Credit some of the tips to
http://www.ign.com/wikis/fallout-shelter

Feel free to join my unofficial fallout shelter Facebook group
https://www.facebook.com/groups/FalloutshelterSimonVideo/