CAD Touch funktioniert nicht

You can draw new lines, polylines, rectangles, circles, arcs, points (also by xyz coords), hatches, texts, smart/angular dimensions, sketches, revision clouds, raster image, ruler, move, rotate, scale, trim, delete, mirror, offset, group, explode, grips, OSNAP, line/patterns type, alignments guides, objects library, preloaded library with 20+ blocks, customizable library, info tool to query length/perimeter/area, layers, black or white background and many more features.  CAD Touch is a PRO CAD editor and viewer that completely reinvents on-site drawing, giving to professionals in various core fields like architecture, engineering, real estate, home design, and more, the power to measure, draw and view their work on-site.  CAD Touch is really easy to use and it's fast multitouch interface will give you the precision and flexibility that pen and paper fail to archive, finally you will have the perfect on-the-go companion for desktop software like AutoCAD™, SketchUp™ or Solidworks™ and every other DWG/DXF compatible app.  CAD Touch is a DWG/DXF drawings 2D editor and 2D/3D viewer, you can open, share and save your work in DWG, PDF and PNG (Pro upgrade only), follow our tutorials so you can easily try and learn CAD Touch in a few minutes.  CAD Touch supports every DWG (up to AutoCAD™ 2013) entities for viewing and editing as it uses industry-proof input/output DWG importers.  Please remember to close other apps before running CAD Touch (to free RAM).  Free version does not open DWG files and does not save, please buy Pro upgrade (in-app purchase) to save and open files.  CAD Touch requires no subscription, no internet connection.  Complete support for decimal and imperial measure units (architectural feet and inches).  This version supports iPad and iPhone and replaces our previous iPhone-only app.  If you like CAD Touch, leave a constructive review, a positive review ensures that we develop the app with more updates and new features, if you are facing errors or bugs please contact us instead of leaving a review at ios. support@diese App. com, it's important so we can fix errors, thank you.