LiveBG Doodle funktioniert nicht

Charges will occur upon confirmation of purchase or after the free trial period, if any, unless auto renewal is turned off or your subscription is cancelled at least 24 hours before the end of the current period.  Use LiveBG Doodle to paint crown on your friends, make fireworks in your bedroom, draw hearts with sparklers in your garden!  LiveBG Doodle lets you draw in the augmented reality using all sorts of brushes, colors, and textures.  Challenge your imagination, be creative! *Your iTunes account will be charged the subscription fee plus applicable taxes.  Your subscription will automatically renew at the then-current rates within 24-hours prior to the end of the current period.  Draw with LiveBG Doodle in the real world!  New Feature *Coming Soon*: Make cool videos and share them with friends, or create an ultimate Instagram post!  Choose the size of your brush and distance, then use your finger to draw or move the phone itself - or do both!  To cancel, visit the Account Setting in your iTunes account.  Subscription fees are non-refundable.  Any unused portion of a free trial period, if applicable, will be forfeited when you change your subscription.