iPad Air running hot please help

Hello guys,I recently bought the new iPad Air (like 4 months ago) and I feel that it's running HOT not warm and the place where it gets hot on it's back it the place where the battery is located (already did a research)so when I play with my iPad the battery gets hot so it drains faster than ever!i have an app called Battery Doctor it always tells me that my iPad battery hitted 41degrees!!!Is that possible guys I have my brightness on 15% turned all those who drains battery but hen I play for example World Of Tank Blitz it get hot after a time but it hits 41degrees!i was playing online with my friend an application called Graal Era + we were doing exactly the same thing my iPad Air got hot but his iPad 2 never and never got hot even when playing world of tank or graal era.It gets hot at each app I play,anyone got any suggestions please??cause if I continue like that mu iPad battery will dies please help me please 😟