TeamTANDA by TazAndAlessia

Corporate messenger with video conferencing, chatbots and integrations; works well for large teams but has optimization issues on tablets and an expensive per-user pricing model.

Yappe is a safe messaging app made for children – and for parents who want to be sure who their child is talking to.

Discord is designed for gaming and works great for relaxing with friends or communicating with like-minded people.

A karaoke app with a catalog of 10+ million songs, where most features (solo, video effects, filters) are available only with a paid Premium subscription; basic functionality exists but is heavily limited without payment.

TapScanner is a document scanning app that converts documents to PDF with OCR support, editing, and cloud synchronization, but requires a paid subscription even for basic use.

New Planet VPN is a reliable paid VPN (from 49.99 RUB) that actually works in Russia.

MobiOffice is a mobile application for reading, editing and creating Word, Excel, PowerPoint and PDF documents with cloud synchronization, but features intrusive ads and a paid subscription for basic functions that often work unstably.

A file manager for working with local and remote files with an emphasis on security.