Tsumtsum

I've been playing this game for about 5 years now. An ex-girlfriend got me into this.
It is mainly for girls and pretty non threatening, but I like it. You can power up your chosen tsumu character until they are really powerful and earning lots of coins.
You can buy things in this game, but you don't need to at all, so it's cheap.
Get three of a kind to delete it. If you get 7 of a kind you get a bomb which blows up the surrounding tsum.
There are hundreds of characters now as Disney has been expanding.
Every month there's a special challenge which increases the life of this game no end!
Nice, easy game to pick up and each game only last a couple of minutes each.
Recommended if you have an inclination to Japanese cutesy things or Disney. Mine is the former.