SanDisk Duel USB Drvie now showing in Memory Zone application

Applications SanDisk® Memory Zone
1

I have purchase SanDisk Duel USB Drive. We install memory zone application in my Samsung Core (GT-i8262) mobile phone. Under mobile zone app internal drive & memory card is showing but USB drive is not showing.

2

I have purchase SanDisk Duel USB Drive. We install memory zone application in my SONY ERICSSON LT18i mobile phone. Under mobile zone app internal drive & memory card is showing but dual USB drive is not showing.