Frames Per Second (FPS) measures how many unique consecutive images a device displays each second. 90 FPS means the screen refreshes 90 times per second. For gaming:
In standard game development, frame rate caps are determined by "Graphics Quality Settings" stored within the game's code or configuration files (e.g., .ini or .json files packed within the APK).
A "Premium APK" is created through a process called reverse engineering:
If you can't afford an iPad Pro, use cloud gaming to stream high-FPS games to your existing iPad: