Download the setup package of X4 Advanced II&III JPN ver 1.60 free of charge and take a look at users' reviews on Droid Informer. The app works flawlessly on Android 6.0 and higher. This download is totally safe. Hitec Multiplex is the developer of this application which can be found in the Tools category.
X4 Advanced II&III JPN ver has been downloaded and installed by over 5K users and its most recent update was released on Sep 26, 2020. Users rated the app 1.4 on Google Play.