FSX/P3D. We have reached out to JustSim for comment and are awaiting response as this is quite obviously rather abrupt and I am getting a lot of emails from readers asking why. Update when I have one.
Update: In the wake of this situation, Simmarket has released the following email to vendors:
"Dear Developers and Vendors,
SimMarket is now requiring that for every product submitted for sale that uses satellite imagery to have a legal license from it's source company for commercial use. This license must be submitted to SimMarket at the time of upload of the product. Please upload a copy of it via the file manager. We guarantee full non-disclosure on the contents of your agreement with the license giver."
Additional Update: JustSim products now appear to have been removed from TheFlightSim Store.