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.
: A unique "Git hash" identifier that points to the exact line of code changes used to create this specific version. android : The operating system the file is built for.
: The standard file format used to install apps on Android.
The text is the filename for a specific development build of the PPSSPP emulator for Android .
: The name of the PSP (PlayStation Portable) emulator . v1.14.4 : The base stable version of the software.