MODVUI is a website that brings together free modified Android games and APK apps. Its catalog spans a wide range of genres, including shooting, fighting, puzzle, strategy, simulation, and role-playing games, alongside practical mobile applications. Visitors can browse featured downloads, recent posts, popular titles, and category collections, with listings that identify app versions and describe available modifications.

Many game pages advertise altered features such as unlimited money, gems, ammunition, or lives; unlocked premium content; removed advertising; and gameplay options such as invincibility or enhanced abilities. The selection includes well-known titles such as Minecraft, Clash of Clans, Brawl Stars, Plants vs. Zombies, and Hungry Shark Evolution, as well as smaller and niche games. The apps section features offerings such as Pure Tuber, Alight Motion, ZArchiver, and Facebook Lite.

MODVUI presents itself as a download resource for Android users seeking free APK files and modified game editions. The website also provides contact, privacy, and terms pages, and includes a reminder that playing games for more than 180 minutes may be harmful to health.