It fully support mouse and keyboard controls, just like playing the PC version of PUBG. Tencent recently launched the official emulator for PUBG Mobile, the Tencent Gaming Buddy a gateway to a great mobile gaming where you can enjoy the PUBG mobile in PC. But most of these third-party emulator has lots of problems mouse controls are not fully supported, issue with the graphics and some unknown issue with hardware requirement.
Since the release of PUBG Mobile on iOS and Google Play, there are tons of emulator popping up in the internet, providing mobile gamer a way to play the PUBG mobile straight to their PC.