The generated *.zim files are readable by the free application SimLab CAD Viewer for iPad/iPhone/Android. The plugin is supported on SketchUp 2017, 2016, 2015, 2014, 2013, and SketchUp 8, on Windows and MacOS.
For using this plugin, you can request a trial license. The trial license allows the user to use the plugin for 30 times (trial license automatically expires after one month)
The professional license of the plugin costs $99
The professional license allows the user to install the plugin on two machines.