Hello,

I have just built a free bitcoin app and which also gives more them 8 currency's free every 5 min.

FreeBits supports 8 different digital currencies right now.
1.Bitcoin 2.Litecoin 3.Dogecoin 4.Peercoin 5.Ethereum 6.Dashcoin 7.Primecoin 8.Monero

https://huntbits.com/games

Check it and and write a review.

looking for your comments to improve it

https://play.google.com/store/apps/d...games.freebits