unique device ID
You can find the unique device ID on the registration page
of your application. You can get to the registration page
by starting the application, pressing the blackberry menu button
and clicking the register menu item. On that page you see a big number
which is your unique device ID.
Your blackberry device PIN is also a unique code. You can find it in the
settings menu from your blackberry.
You can find the e-mail address you used to buy the app with in the
confirmation e-mail of your purchase.