Adds smooth movement effects even when the game is paused, useful for recording. Adjustable Motion Blur:

Atlas Client is a toolkit and modification launcher for Minecraft: Bedrock Edition (MCPE) on Android. It is designed to enhance gameplay performance and provide access to exclusive mods through a "Premium" tier. 🛠️ Overview of Atlas Client

Atlas Client explicitly states it is not a hacked client for gaining unfair advantages in multiplayer; if you are looking for "Toolbox Premium" features (like X-ray or reach), developers clarify that Atlas is intended as a legitimate utility toolkit. Atlas Client: The best client for MCPE

: Unlike traditional resource packs, Atlas often functions through an integrated app that works alongside the original Minecraft installation. Atlas Client Premium