I liked this so much that I bought a 2nd here.  The first I put in my Samsung Galaxy Player 5 and the second in my Samsung Galaxy S 4G phone.  The card easily hold all my mp3s and apps.  This card is noticeably faster than the cheaper cards that have a speed of 4 on them...this card is a 10 and when you first boot your device you see all your apps get loaded within seconds.  If you want a good 32 GB mini SD card then this is the one!