If you wish to play the JP version of the game, you can do so easily using Qooapp. Android device or emulator required.
Step 1. Download Qooapp. Qooapp cannot be found on the play store, and must instead be downloaded from their website. On emulators, you will have to use the emulator’s specific instructions to install the apk. On Android, the phone should be able to recognise and install the file.
Step 2. Follow Qooapp’s intructions to set up and link your account
Step 3. Type in ‘Guns Girl’ in Qooapp’s search bar, and click the version with this title

Setting up your GGZ account (TBA)
Using Qooapp’s translator app (TBA)
Screenshot menu guide (TBA)