They should have focused on the name change, to prove that there is a demand for “GIMP but with another name”. Everything else can be done in the main project or any fork, and that those don’t exist show that the manpower needed for that isn’t really available.
Not sure how yours works, but on some “remote-only” devices you can use a (potentially sketchy) USB split cable with power connector and an additional USB port for a keyboard / keyboard-mouse combo so you can use a regular browser to download and install apps.