If Google is deleting your games, they are deleting them for a reason, this is more than likely not related to using Buildbox since many Buildbox users have games available on Google. Google sent you an email detailing why they have decided to delete your games. What did the letter say from Google?
The Google delete your games due to their terms of use or content policy or because your API's are way to outdated. You receive constant emails about this on your google account and you should act based on what they send you. it is expected to be deleted since we don't want vulnerable apps or Apps that uses deprecated API's in 2020
