SP File Explorer is FREE app that is especially designed for SP USB products.
SP File Explorer is the FREE file management app that is especially designed for SP OTG (On-The-Go) USB products. (This app can ONLY be applied to Android devices which support USB OTG.)
Without any complicated search or setup step, SP File Explorer enables users to easily transfer files, photos, videos and music to USB flash drives while it can categorize all the files automatically. Furthermore, you can also instantly share your files via Facebook, E-mail, Instant Messaging software and Bluetooth by using this app. Additionally, SP File Explorer offers “one-touch backup” by which you can backup files from phone memory or memory card with a simple touch only.
Before you download SP File Explorer, please check the compatible list:
http://www.silicon-power.com/support/su_search_menu.php?type=X10
Please make sure if your mobile device supports microUSB OTG flash drives.