It’s connection capacity/technology which allows USB devices(e.g. mobile phones) to act as a host, allowing other USB devices(USB flash drives) to be attached to them. In simplified words, if your Mobile phone Supports to OTG, then through OTG cable you can connect a Pen Drive to your phone. Guys i’m unable to transfer my apps to the sd card as I see no option "move to sd card" is there any other option to move or apps can’t be moved? also do we get any update, but style and design is so much fine.