It is observed in most of the cases in Nokia S60V5 devices that whenever a game is installed, instead of running it in full screen, it gets halved and unnecessary buttons (navigation buttons) captures the other (lower) half of the screen. This post is intended to solve the problem of Full screen games on S60V5 devices
To Change the setting go to
MENU >> SETTINGS >> APPLICATION MANAGER >> INSTALLED APPLICATION >> SELECT APPLICATION >> OPTIONS >> SUITE SETTINGS >> ON SCREEN KEYBOARD OFF
Restart your phone and enjoy using full screen games and applications.
Still facing any problems please let me know in the comments