How about you allow us to skip that long pointless intro. It's enough for me to drop it a star, why leave it in there?
Simple, fun and addictive while not being plagued by micro-transactions.
This was a free app of the day on Amazon; I downloaded and loved it, then decided to purchase the game on Google's Play Store to support the developer. It's a fun, well made, and perfect for short bursts of play.