Trick to make any game full screen in s60v5 mobiles

Game is fullscreen if you set:
Menu –> settings –> Application manager –> Installed apps. –> select touch game in 360×640 –> Options –> Suite setting –> On-screen keyboard –> set OFF
And now we have touch-fullscreen java games
360×384
if select Navig. keys only
menu –> settings –> Application manager –> Installed apps. –> select touch game in 360×384 –> Options –> Suite setting –> On-screen keyboard –> and set Navigation keys only
360×360
we do nothing. Setting is default. We have full virtual navigation keypad