Unfortunately, the Flashforge Adventurer 4 is currently not, to our knowledge, compatible with OctoPrint, Mainsail, Fluidd, or SimplyPrint. For the best 3D printing experience, consider other 3D printers that are compatible with this software.
Disclaimer: This printer is not supported, due to the lack of a USB host port. Learn more here; https://github.com/Mrnt/OctoPrint-FlashForge?tab=readme-ov-file#printer-compatibility
SimplyPrint
No, Flashforge Adventurer 4 is not compatible with SimplyPrint