A debug token is a file that allows execution of unsigned code. Some Android apps require debug tokens to function properly, if at all.
How to Convert Android Apps
Writeup for Android Pack goes here.
Writeup for apk2bar.org goes here.
http://apps.goodereader.com/apk-2-bar/ is a bit better. It prevents the name being too long bug
Writeup for command line tools goes here.
Converting Paid Apps
Don't. See the video above.