Description of Twinja for Twitter Twinja surreptitiously records your voice and tweets it – either from your own account or from the Twinja public account, @TwinjaNinja. You can set the hours the app operates and the frequency with which it operates. Twinja runs in the background but you can choose to show a message or play sound when recording- meaning the app will run even if the screen is turned off and the phone is in your pocket.Have fun with Twinja by recording a conversation you have with your friends. Or, prove that you don't say vulgar things when no one else is around. Or share EVERYTHING!You can set the app only to run on Wifi by selecting that preference.