Sumsung glaxy j7 is good mobile phone, its lil bit high price but its have some good qualities.its have good looking design and beautiful colors.personaly I have run lot of apps on j7 and I found good for runny the heavy apps.its have good charging timeing .also its not heatup when I running internet and apps.its have good sound system and running very smoothly .other quality is its running very smoothly.