Emucr-ppsspp-v1.14.4-575-g86a19cebf-android.apk -

: The standard file format used to install apps on Android.

: The name of the PSP (PlayStation Portable) emulator . v1.14.4 : The base stable version of the software. EmuCR-ppsspp-v1.14.4-575-g86a19cebf-android.apk

In short, this is a of PPSSPP, which includes the latest experimental features and bug fixes that haven't been released in the official Google Play Store version yet. : The standard file format used to install apps on Android