What interesting games or applications can you recommend on the iOS platform?

There are many fun stand-alone games on Apple's mobile phone, but there are countless. Searching in the App store will lead to a series of games, such as chess, sports, strategy, leisure, role-playing, action fighting, puzzle, shooting, flying, racing, competition and so on. The most memorable and fascinating games are peeling apples, hay day, fighting landlords, eliminating love every day, and national assault ... among them, national assault never leaves.