Video call and gaming??? That is a heavily load, both require both the CPU and GPU going hard, as well as Microphones, speaker, Display, Audio chip etc... The phone is bound to get warm.
Samsung GALAXY S4 32GB Exynos Octa Black Mist
Samsung GALAXY S2 16GB Exynos Dual Ceramic White
Apple iPad 4 16GB White WiFi+LTE
"World can't hold me, too much ambition"-Jigga