Warning - the internal version code is not being uniquely kept per app when building!
The version code should be unique to each app, incremented each time it is built. I just rebuilt 2 of my apps, and noticed on the first one that the version code jumped from 332 to 1047, and then on the second app the version code jumped from 266 to 1074. (This means that 27 other apps were built in the time between my 2 builds.) The version code is used to tell if an app has been updated, and you cannot submit an update with a lower version code. In Andromo's build system there is a variable that needs to be updated each time an app is built, and it's not happening.