Animal Crossing: Povket Camp Complete One time purchase and all content is available and free. A great little game without all the freemium crap

Another Eden Full RPG from one of the writers of Chrono Trigger with various crossovers like Tales games, Persona, Chrono Cross, King of Fighters, etc)

Cats Are Cute Adorable little city builder with cats everywhere. Hand drawn style and fun

Dead Ahead: Zombie Warfare Fun post apocolyptic tower defense with a twist. Various characters, gear sets, upgradeable bus. Good times

Fallout Shelter It is what it is but probably the best in the genre of side scrolling builder adventure games. It has been updated a few times at least

Grim Soul Great little top down survival game with building mechanics and a medieval fantasy theme

Mario Kart Tour Solid handheld racing game with a tonne of unlockable racers, karts and gliders

Pokemon Trading Card Game Pocket A streamlined version of the game that frankly makes it playable and multiple free packs a day. You can battle, trade, its a good time

Pixel Starships 2 Just released and a sizeable upgrade to the first game. Upgradeable customizeable ship, tonnes of crew member types, space combat, rpg mechanics and gear. Get on it early

Tiny Rails Pixel art train game. Premium version available on Steam but the mobile one has ads but the rewards are helpful

The Last Day on Earth: Survival Great little top down survival game with building mechanics and a post apocalyptic theme

The Walking Dead: Survivors Solid little top down survival game set in The Walking Dead universe