WeDJ funktioniert nicht

Play and mix music from streaming services such as Beatport LINK and SoundCloud Go+, as well as tracks stored on your iPhone, and use performance features and FX to create your own sound.  Tempo slider: Control the speed of each track and use Master Tempo to prevent changes to the key. 2-channel layout: Play two different tracks at the same time.  Sampler: Get creative by triggering included sounds such as Horn and Siren. 3-band EQ: Mix smoothly by adjusting the volume of three sound ranges: high, medium, and low.  Hot Cue: Mark the point in a track where you want to start playing from and jump to it at any time.  Transition FX: Create a professional-sounding transition between tracks by simply moving the crossfader.  Record: Capture your mix and play it back (disabled when streaming music).  Loop: Choose a section of a track and play it repeatedly.  Crossfader: Adjust the volume balance of the two tracks.  Jog wheels: Scratch tracks by touching the jog wheel on the screen.  FX (effects): Change the texture of the sound using various FX, such as Echo and Reverb.  Beat Sync: Sync the tempo of two songs with the touch of a button.  Developed by Pioneer DJ – the brand known for its club-standard DJ equipment – this app offers a flexible and seamless DJ experience.  Upload: Share your mix with friends and music lovers via Mixcloud or SoundCloud.  Get the party started with diese App for iPhone.  Take your performances to the next level by connecting compatible DJ gear.  Automix: Let the app do the mixing so you can simply enjoy listening.