One problem... – Instatube - Video Player for YouTube, Vimeo & Dailymotion Review

It's great and I really like it, but it doesn't play without wifi, which is what I need most. Is there any way to fix that? It seems that anyone else with the app can play it without wifi except me.
Review by B-3ll4 on Instatube - Video Player for YouTube, Vimeo & Dailymotion.