Samsung Galaxy S II supports USB 2.0 On-The-Go (OTG). However, Samsung Galaxy S2 does not bundle USB OTG cable with it. But you should get it by yourself because the USB OTG adaptor or USB OTG cable is cheap for less than $3 only. I got mine from eBay for $2.68 ~ USB 2.0 Micro-B host OTG cable. The very first thing that I tried on it, USB flash drive. Let’s see how does USB flash drive performs on Samsung Galaxy S2 USB OTG…