If you have a problem reading, scroll up the pdf. Click the “keyboard” button in the bottom right corner.
Follow these steps marked in red rectangles. But anyway, you don’t need to bother with it. Sorry that the language of the emulator could not be changed. How to Use Memu Emulator to Play PUBG Mobile on MacOS PDF File?
How to Download and Install the Memu App Player into macOSX?
The Features of MuMu App Player for MacOSX: