JUMP PAINT funktioniert nicht

It comes with many features to enjoy drawing illustrations and manga, like a multitude of brushes, materials and manga fonts. 　　・With JUMP PAINT you can have almost all the features of a desktop painting program in your pocket. 　　・Despite being packed with so many features, the interface of JUMP PAINT has been designed especially for the iPhone in mind. 　　・The UI can be closed and opened in one touch. 　　・The sleek interface allows users to change brush sizes or color modes with ease. 　　・In addition to the Pen, Pencil, Watercolor, Blur, Smudge, G Pen, Mapping Pen, Rotation Symmetry and Edge Pens, we have added over 50 different kinds of brushes, including the Brush, Flat Brush, Round Brush, Acrylic, School Pen, and Soft Pastel. 　　・Force Fade In and Out make your lines sharp even if you’re drawing with your fingers. 　　・The 3D Touch on iPhone 6 and iPhone 6 Plus is now supported to enable you to use pen pressure when drawing. ・800 different types of free tones and backgrounds. ・Premade clouds, buildings, and vehicles are included. ・Comes with layers complete with blending modes. ・Can be used to preserves different elements of you work. ・Use them to change the atmosphere of your comics. ・Use them to define your character’s moods or personalities. ・50 fonts used by industry professionals available. ・Just drag across the screen to create comic panels. ・Has an interface designed to give artists room to draw. ・Guides for drawing in perspective, or creating lines, and curves. 　　・You can take photos in the app and use them as references on a different layer. 　　・Use them for reference or learning how to draw new things. ・You can sync your preset settings with the PC version of JUMP PAINT. ・You can collaborate on work with friends no matter where you are. ・Your data is automatically backed up if your device crashes.  It's the ultimate app for creating manga and illustrations -- a collaboration between MediBang Paint (12 million downloads) and Weekly Shonen Jump.  JUMP PAINT was developed to provide an environment for creators to draw anytime and anywhere using MediBang Paint's features.  G-pens, Mapping Pens, Tones and Backgrounds are all free to use!! ■Learn techniques on how to create a manga from Jump's editorial department!!  JUMP PAINT is the perfect paint software for creating illustrations and manga.  ■A completely free app for creating official Weekly Shonen Jump manga and illustrations!!  In order to use the app’s cloud features a MediBang account is required（ ).  Loads of lessons on story, character creation and dialogue!!  The app will give you information on each contest. Don't miss out!!