can someone help me? i think my samsung tocco lite is broken?

i was using my phone last night and i went to use to about 10 minutes later and it wasnt on. so i went to turn it on and nothing happend. i tried to charge it up but the battery and where the sim card goes got really hot.

any ideas or is it broken?
i dont see how it can break in the space of that time and i dont know what exactly what happend to my phone.