Download Minecraft PE 1.16.200 FULL version for Android you can in this article. This update aimed to improve graphic elements, change volume control and fixed a lot of bugs. The main feature of the update is adding new engine RenderDragon and OpenXR.
New graphic engine RenderDragon (Windows 10)
Minecraft will use OpenXR (Windows 10 Only
New sound sliders
(jukebox, weather, ambient/enviroment, block sound, etc
Vanilla Parity Changes and Fixes:
Mojang added over 10 new fixes regarding to vanilla parity. For example basalt blocks will be harder to destroy, Bees can’t fly too far away anymore (max 22 blocks) from their homes, Netherite leggings texture will be changed.
What bugs in v.1.16.200 will be fixed?
Mojang fixed over 100 different bugs in the next categories: Performance and Stabilitym gameplay, mobs, items, blocks, graphical, etc