If you previously had Minecraft installed (or a modded version), old files can conflict with new installations. Use a file manager to navigate to Android > data . Look for the folder com.mojang.minecraftpe . If it exists, entirely.
If you have encountered while trying to play on an Android device, you are likely either dealing with a notorious community-made horror mod or a technical glitch during the download process. Error 422 is famously known as the "lost and scariest" version of Minecraft, a modded build (originally based on Java version 1.5.2) designed to behave as if the game has "come to life" with malevolent glitches.
"422 Unprocessable Entity" error while trying to download the official game from the Play Store, it usually means there is a server communication issue. In that case, clear your Play Store cache or check your device storage Are you trying to this specific cursed version, or are you getting a technical error code while downloading the official game? Remove Minecraft Files to Fix Android Installation Errors
Report generated based on community-tested fixes (Mojang bug tracker MC-264213 behavior, Reddit r/Minecraft, Google Play Help forums).