Official release (if available)
Of course, this is a dream. SEGA has given us Sonic 1 , 2 , and CD on mobile (the excellent Christian Whitehead versions). But Sonic Advance 3 and the original Advance trilogy remain in licensing and code purgatory. The source code is likely lost to time, buried in a Dimps hard drive from the early 2000s. Sonic Advance 2 Android Port
This is the most reliable way to experience the game. Because Sonic Advance 2 Official release (if available) Of course, this is a dream
The best (and legal) method: Use the version with a high-quality emulator. Official release (if available) Of course
If you prefer a traditional setup, you can use a Game Boy Advance (GBA) emulator.