tiberioGyártó szerint - USB device drivers
USB device drivers (USB Host Mode drivers loaded on your device / Android 4 also adds additional USB and OTG support.)
http://android.stackexchange.com/questions/36887/how-can-i-determine-if-my-device-has-usb-host-mode-otg-support
"Unfortunately, Android doesn’t automatically mount USB drives by default." Hm.
http://www.howtogeek.com/129800/how-to-use-usb-drives-with-the-nexus-7-and-other-android-devices/
Mi a tablet márkája?