If you received a link to this article, it is likely you were looking to download BitGym while it was temporarily delisted from the Google Play Store. As of 09:30GMT 30 March 2020, BitGym is available on the Play Store again.
Due to a unique bug in the Google Play Store, as of 08:00GMT 28 March 2020, BitGym is temporarily not available for download via Google Play, after being listed without issue since March 2013. While we resolve this situation with the folks at Google*. The situation has now been resolved.