The most effective way to save space while maintaining performance on Android is by using specific compressed file formats recognized by Dolphin :
You cannot play compressed Wii games without an emulator. is the only viable option. Wii Games Highly Compressed Android
If you see a 4GB Wii game like Super Smash Bros. Brawl advertised as a "100MB Highly Compressed" download: The most effective way to save space while
: Wii games contain massive amounts of data that cannot be compressed to that degree without removing essential assets (music, videos, textures). Wii Games Highly Compressed Android
: A powerful file manager used to extract highly compressed archives like 2. The Best Compression Format: RVZ While many sites offer "highly compressed" downloads in format, the best format for actual gameplay is