well on my k750..... R1CA021
BookManager.elf and MinuteTicker-StatusRowClock.elf are working which are useful!.....
while heap monitor doesnt have any thing special
& Hello World.elf..... i duuno what is that for...
SleepMode.elf is worhwhile but it is not working for me.....!

and when i restart the phone it dont automatically start as i have put *.elf files in Deamonsa folder!