How to disable amsung capacitive keys in certain apps?

[Wedz]

I keep hitting the "recent apps" button in horizontal wiew while playing certain games on my phone, i was wondering is there an app that disables capacitive keys in (CERTAIN) apps (NOT ON ALL APPS) .

 

[the tall guy]

Hi, is there not a gaming app on the Samsung phones that assist with this? sorry I haven't used the app and I'm not a big gamer.