My note 9 heats like a heater everytime i use it...and if i play games on it it heats even more.what shud i do.its from d day i bought it.. anyone else facing this issue

Now even one plus has updated its cheaper device with internal and external game audio recording... and here we after spending 68000 on note 9.... still dont have this feature..... whats the point of buying such phones . Please  we also want  interna...