More than one default launcher in jelly bean

view story

http://stackoverflow.com – i need my application to be defined as default launcher only when my application is running, when i exit my application i want the device to remember that my application was defind as default launcher so next time i run it no default launcher dialog will pop up... former to jelly bean it was fine to choose two default launchers: my application and the android default launcher (or GO launcher for example) so when i start my application for the second time i don't need to defined it again as default launcher and when i exit it for the second time i don't need to define the android launcher (or (HowTos)