Marvel Strike Force. I've never played a mobile game before it and I don't think I ever will. But it took up brainspace and time during the COVID isolation, and I put in enough money that I feel I can't quit now.

But don't do it. It's a time suck, money suck, and it's repetitive.

Heroes of the Storm - many thousands of hours, no wonder its a dead game now. Because of how the core gameplay works if one or more people on your team are idiots, you have no chance in winning, it aint no Dota or LoL where one carry can win the game. It's unplayable without a 4-5 man party.

PUBG - played thousands of hours on everything (PC, Lite, mobile), do not waste your time. I still watch competitive PUBG though, it so much fun!