VBOX Touch Speed Profiler app is compatible with .spp files generated from the Speed Profile Software.
Once a file has been generated, you can view and edit it by opening it in the Notepad program on your PC.
Standard SPP Specification
Friendly SPP Specification
Further to the above, the VBOX Touch Speed Profiler app also supports a more human readable format:
MPH Specification
The .spp file can be manually edited to convert units to mph: