We have 3 EVOs in our family and have QIK for the EVO 4G on all three of them, but . . . We've moved on to Yahoo! Messenger for a couple of reasons. The main one being it works for our computers as well as our phones. The latest Yahoo! Messenger works with the EVO 4G and MS-Windows just fine for video, text, and audio. No complaints here, when using Wifi or 4G. 3G is a head ache but it does work.
Yes i video chat with a epic user all the time thru Qik on 3g and it works pretty good. Their is a little stutter but i would say its about as good as video chatting thru a computer. The version of Qik for the Evo is not as good as the regular version IMOP. One thing to keep in mind also, is u can not just video chat with anyone. The person u are trying to video chat with needs to have the qik app on their phone and needs to have it set up and be logged in for it to work.
my sprint tv doesnt work qik or tango doesen't work and tried watching you tube freezes so that doesn't wk I was told by a sprint worker that 3G isnt good and our area doesnt have 4G yet thats why everthing doesnt wk good and if you go on any apps the battery drains fast they also said there coming out with a battery that last longer than the currrent one we have in the evo phones now.