PlayFab very explicit stated application (related to the game) can be develop with PlayFab. I am develop some workspace management, that keep track customer open application, timer/alarm, various productive stuff on Windows as more integrated to OS feature
At Gamesparks: There is related:
https://www.gamesparks.com/fair-usage-policy/
“Licensee Content”
means your games, applications, software or other content that is being integrated with the Licensed Software Platform and made available to the general public.
Could GameSpark update their TOS, My choice is either Firebase/GameSpark/PlayFab now.
It is good enough to be software running on Windows. I am gonna to build a sustainable living first before I can developed for mac.
Thanks.