StarTools can also be entirely operated by touchscreen with all controls appropriately sized for finger-touch operation.
StarTools does more than just help you make "pretty pictures".
The 'WebVR' button in the module exports your image as a standalone HTML file.
Select the 'decode the data from a Base64 string (base64 decoding)' radio button.
You can convert everything you see to a format you find convenient. Give it a try!