Its catalog includes popular tools for document management, photo and video editing, system optimization, and media playback, alongside mobile games and emulator software. The platform presents app descriptions and system requirements to help users choose suitable downloads, and says its catalog is updated regularly with newer versions.

Designed for straightforward browsing, v21 features a user-friendly interface, search and category-based recommendations, account registration, download history, and saved favorites. The service promotes fast downloads and says files undergo security scans and checks of developers’ digital signatures. Users can access downloads through the website or its mobile app, with alternative access routes described for times when the main site is unavailable. Support is offered through live chat, email, and a contact form. The listed Android app requires version 5.0 or later.