When the all games from Xbox 360 will be releast ?

I would suggest voting here- https://xbox.uservoice.com/forums/298503-backward-compatibility/suggestions/8377563-mortal-kombat

Hi!

It is possible to make a contribution in the specific
section, adding new ideas or voting existing ones, so that you can hope for other playable Xbox One titles.

i think its going to be the 11th - 14th oct cos it says 12 months after moh game is releast.

Hello Christian,

Have you tried going
HERE to locate what the actual email of the account is? You may have set up the account with one email, and changed it to a different primary account that receives emails. That second email is not what you would use to sign in. Try this out and let me know
if you find the error.

~Blitz

I see it in your recently played games on Xbox 360. Don't forget that FIFA is not backwards compatible so if you wish to play on both consoles, you will need two separate versions of the game.