A:AnswerWhen you install the card the phone should ask you to format it afterward it will be activated. To move programs/pics/etc. to the card, go to settings.
A:AnswerI use a Canon FS11 camcorder and these 32 GB SanDisks work great on that.
I don't know what difference it makes if it says "class 10" or not.
(For info on camera see: https://www.youtube.com/watch?v=NyB0df1e9bQ)