Ok, before i start I would like to say that it is best to have the newest version on XDK installed : version 3522 and newest stable version of C2 :version r233
1) export from C2 with cordova. Do not check minify script
2) select : use new XDK project format and hide status bar
In intel XDK choose from bottom left : open intel xdk project. It will automatically import required plugins
then under build settings fill required fields.
Use Cordova CLI 6.2.0 and select Optimize with crosswalk
Under Developer Certificate click "select new..." and fill the required fields
you can import existing keystore by clicking the person icon on the upper right corner and then under "android" choose : "import Existing Keystore"
VERY IMPORTANT : do not lose this information and the certificate. STORE IT IN A SAFE PLACE , If you lose it, you will not be able to update your game od Google Play.
In the end , under "build tab" select Android , click the lock icon and enter keystore password
and then click Start Builds
Now it should run fine on your android phone (When you install it, on your phone select :"trust installation from unknown sources" or something similar.
hope this helps