Hello friends, I am using Imo last one year, its amazing application for video calling, imo is a one of the best application for mobile devices for family video calling, its totally usefull apps.imo is a relatevaly quaite light for download, with a little bit more 5 MB. This application easily provided the good and best quality video and audio calling.the main attraction of imo is a free unlimited voice and video calling, This apps allows to you share video and photos.overall its a best communication apps.Thanks.