Older 32-bit versions do not have the hundreds of bug fixes and performance hacks found in the latest releases on Google Play .
Go to Settings > Security and enable "Install from Unknown Sources" (if downloading via APK directly). download dolphin emulator for android 32 bit latest version
Set the Internal Resolution to 1x Native (640x528) or lower if the build allows a 0.5x hack. Older 32-bit versions do not have the hundreds