Cloud gaming and installing games

Since the performance from an installed game is still better than from a game played in the cloud they don't offer the cloud gaming while the game is installed.

The question should be: Why do you want cloud gaming if you have installed the game ? ^^

Also what are you trying ti do exactly

Are you trying to access cloud games or installed games

Home.console.well only allow.access fo download or installed games

Cloud games are a subscriber only option

As you are signing onto a server to access the cloud gamenot.your local installed games

Did you install the game or playing cloud?

If cloud then only controller works

Mouse.and keyboard only works on installed games

For digital game installations on the hard drive to run, you'll have to log in to the console with the account that purchased them.

If the game installations still don't work,
transfer your game saves to the cloud (XBL Gold is required for cloud functionality on the 360), delete the game installations off of the hard drive, redownload the games, and try again.

Just not region based games like cloud gaming

You will have to install and play games locally since cloud is region based