One common format you'll encounter is WBFS, which was specifically designed for storing Wii games on USB drives. ftp.bills.com.au The Ultimate ROM File Compression Guide - Retro Game Corps
Before you download anything, you need to understand the risks associated with downloading pre-compressed files from random websites. Wii Games Highly Compressed Android
You now have a "compressed" game that is roughly 50% smaller (e.g., a 4.5 GB file becomes ~2.2 GB) but runs perfectly on your Android device without errors. One common format you'll encounter is WBFS, which