First you can read the following questions: Question 1: “Just want some advice on how long it should take to convert a movie to mp4 for my Google Nexus 7. At moment its takes like 12 hours to convert a 120 minutes movie from mkv to mp4 format using one free video converting program. Is this right or am I doing something wrong. Please help. thank u.” Answer: Encoding speed is related to many factors, like your CPU processing speed, hard disk writing speed, Disc Drive reading speed, etc. I used Pavtube Android Video Converter to convert Nexus 7 compatible .mp4 file because it offers perfect Nexus 7 preset profile Continue reading How to Play MKV movies on Android Tablet or Phone?