How to use OTG usb Android is shown here: If your usb OTG appears in your file manger, you can read/write to it with Softmaker for Android: https://forum.softmaker.de/viewtopic.php?f=462&t=35322 Remark: The Softmaker Team wrote us: «Dear customer, Unfortunately, the Google Play Store is the only place where you can get SoftMaker Office apps for Android. Best …