PSP games often come as CSO files which essentially are compressed versions of ISO files. These type of files are meant to be played on PSP consoles. A smartphone on its own cannot open these files hence the need to install a tool with additional features to serve as an interface between the files and your device. This app emulators a PlayStation Portable and it can allow you to play most games designed for the first Sony portable console. The app has numerous configuration options including texture scaling, Vsync among others.
At first, you may find it difficult to control games using the app but with experience, you will find it much easier. Tablets have bigger screens than smartphones and you will find them more suitable for gameplay especially when it comes to game control. This app gives your phone exceptional capabilities and provides you access to various games. In fact, the app provides you better graphics than what is provided the original games. It does not come with games and you will have to download games separately most preferably on a computer before transferring them to your phone.
Apk PPSSPP for Android app is licensed as freeware for this operating system. It is in games category and is available to all software users as a free download.