Here is how to play DS games on androis:
1. Download Nintendo DS emulator for free: https://dz4up1.com/Eay
2. install the ds apk.
3. run the emulator and load your games rom files.
what is a Nintendo DS Emulator:
The Nintendo DS emulator is a program that emulates the Nintendo DS hardware and software. It works on Android, IOS, Mac, Linux, Windows XP, Vista and Windows 7 operating systems.