JPBreau
You are only permitted to privately distribute derivative works amongst friends and family in person (not online), strictly for demonstrative purposes.
You are not permitted to distribute derivative works in any other way, including but not limited to online publishing/distribution, public demonstrations, for sale, or accessible to the general public in any form.
Can you clarify? Are you simply talking about the distribution of the CAPX file?
Yes. You can make any number of games from this template/source and distribute as a final product (HTML5, Windows or mobile) but you can't make changes to the original source and sell it as a template.
Original to final product [windows, HTML5, mobile] =
YES
Original to modified version =
NO