Thanks for the quick responses.

If the gps do not fix eg cinema (in silent mode of course) it use my battery and don't do the job. That's why Snuggle could be a good alternative as you already said.

Yes i know about all the stuff like google latitude, FB and co but I don't use it.
I've understand and agree that sms con is a thing between me and my N900. In fact if this feature can be donne only my brother, sister and girlfriend would now about this fonction to locate me. As i don't want to receive 10 sms a day just to locate me (lol)
As I am patient, I will wait for you accomplished your (great) work.
I very thank you for this app and for having considerring my demand on this thread.
Many Thanks due to you.