Developed by Pentavision and published by Neowiz Internet, DJMax Ray was designed to bring the traditional high-difficulty "key-note" gameplay of the DJMax Portable series to mobile touchscreens. It was seen as a middle ground between the casual Tap Sonic and the more technical arcade-style DJMax Technika .
Consequently, the community often relies on compressed archives (like .7z files) containing the original APK/IPA files and music data to keep the game playable on older hardware or through emulation. DJMax Ray 7z
The game launched with 20 music packs (5 songs each), including many new tracks from legendary composers like NieN and ND Lee. The Significance of "7z" and Game Preservation Developed by Pentavision and published by Neowiz Internet,