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I don't have any numbers, but it runs well. There's already a few Superpowers games on the Goole Play store. Here are a couple by /u/shadowtzu : Aquasea! and Fortress Protector.
We also built a runner last year that works great (though we haven't gotten around to finishing it). You can see it in action here: https://twitter.com/SuperpowersDev/status/566993176532373504