Bug? – Call of Mini™ Zombies Review

So I just download this and I was excited to play it again but when I try to join PVP or BOSS RAID it just say that it unable to connect and I has data and Wi-fi ON so I want to know if it a bug please fix this so I can rate 5 stars this game is a OG
Review by Gamer115! on Call of Mini™ Zombies.