gGens MD is one of the best emulators of Sega games for Android devices that creates a very realistic console-experience.
How to Play:
After setting up the emulator, just download the extensive library of games from Sega, with hits like Sonic the Hedgehog, Disney's Aladdin and NBA, and start playing!
Controls:
The emulator supports external controls, including keyboards, to enhance the gameplay.
Languages:
English.
Useful Tips:
Do not forget to check the options menu that allows you to customize the emulator according to your preferences.