Yes it is common, have no choice to soften the heating, introduced in the mobile the following code 3845 # * 855 #, like a hidden screen that developers use appears, she seeks the - High Temperature Property OFF - and click on it to activate it, find another option - Daemon Thermal Mitigation OFF - and click on it to select it, then reboots the phone and wait a bit before lighting (2 minutes), turn on the phone and when you display the code to unlock the SIM waiting 2 minutes, entered the code to activate the phone and notice that the processor is no longer so hot. This action is specifically for your type of mobile, others have to use other options.
Continued use of the application that you said, so you have controlled the terminal on the temperature.
Courage and adelente !!