Hi All,

I have developed application and published in the andoird market as free Demo version.
users are downloading my Demo app.

Requirement:

Is there any way I can get the users information who has download the my application.

like can I get the user information once they start using it?
once i got the info ,can I send the mail through the my app?


Plz suugest me.
Thanks in advance.

Regards,
Neo