This game is a free-to-play emulator for Android, called AetherSX2.

The AetherSX2 had undergone initial tests by primary developers and as a result, it works smoothly on MediaTek, Exynos, and Qualcomm processors. This basically helps to solve previous problems of gamers.

One of the awesome features of this app is that gamers who are playing with low-end or mid-range chips will not have performance issues. Some features are as follows:

System simulation
Save states
Upscaling of games to 1080p and beyond
Per game settings

Enjoy this free and cool app!