Method 1: The "Save Data Backup" Workaround (No Root Required)
Some users have reported minor bugs when using mods, such as buttons in the Deck Editor being unresponsive or the game crashing when opening the premium shop. These issues vary by device but are worth noting.
This method involves downloading an authentic, un-modded version of the game APK, completing the first tutorial duel, and then using a root-free file explorer (like ZArchiver) to replace your local .dat save file with a 100% completed save file provided by the Yu-Gi-Oh! community. This bypasses the security risks of modified application code while still granting you instant access to all cards. Important Safety Disclaimer
Duel Generation was officially delisted from app stores in 2020, but many people still have it installed via APK files. This post addresses both the technical reality and the safety risks .