If you're looking to Download Language Reference on your Chromebook laptop Then read the following guideline.
Language Reference for Xojo is the full documentation for the the Xojo language now available on iPhone and iPad. This app brings the full language reference to the tip of your fingers with no dependencies to the Internet. You can now browse the Xojo language reference on a secondary screen leaving your desktop device fully available for development. Updated for Xojo 2019r2.1