Wrong display is mana crystals

Android app has wrong displayed amount of mana crystals when hand is open after either of player play crystal giving card. In this example it displayed 7, when I actually had 4. Video is here: photos. app. goo. gl/GHW2SFvFZnANoXZC9 delete spaces to get a link

https://us.forums.blizzard.com/en/hearthstone/t/how-to-share-links-to-screenshots-videos-and-replays/2242/6