Vibrating metronome

Advanced roulette play
1

I never used it,can anyone send me some app for Android.And how exactly do we use it,I just never came across it before with any instructions.Thanks.

2

https://play.google.com/store/apps/details?id=com.rhymes.metronomelite&hl=en

3

Thank you I had that one,but never get to know what do we use it for in advantage play.I know a basics,but I would love to know more,if you could explain me.