Cant install certain games

[Guest ermacwins]

Ok so I installed Samurai 2: Vengeance, played with it and everything on mcr4 and installed angry birds. After some time the phone froze (not related to the game) and I wiped the phone and reinstalled. I wasnt able to go back to a backup as it just froze on lg loading screen.

Now when i try to instal it and doesnt work. Angry biirds Rio from market says: unknown reason -18

Some help please