To be able to make bluetooth connections in kiosk, you should add these following package names to your kiosk profile:
- com.android.bluetooth
- org.codeaurora.bluetooth
- com.android.bluetoothmidiservice
You can add these package names to your profile by first going to the Managed Applications under Application Management, and clicking on the "+Add" button. You'll then be able to add these packages names to your kiosk profile.