A: Yes, but not via PPSSPP. You need a Snapdragon 865+ phone and the Yuzu Android Emulator (Nintendo Switch) . The file size will be 6GB+, and it will be laggy on mid-range phones.
The official Ultimate Ninja Storm 3 on consoles and PC requires over 23GB of storage . However, the "200MB PPSSPP" versions are popular for several reasons: A: Yes, but not via PPSSPP
If you are looking for the genuine Ultimate Ninja Storm 3 experience, it is available on the following platforms: A: Yes, but not via PPSSPP