[chrisism]

Yes I believe it something like that. Tried the underlying commands to /system/bin/am through a script/bash app in android and it worked as expected. So perhaps Kodi now has not enough rights to perform these actions. Wanted to see how the buildin 'StartAndroidActivity' method is doing, but this only works with a single intent and data URI, not with all the extra parameters we use for launchers.

When I was digging I got the following execution output:
cmd: Failure calling service activity: Failed transaction (2147483646)

Still trying a couple of different ways of calling the command, but I have a feeling that it is something totally different.