A. Go to the Facebook Developers
2. Then fill in the name of the application and select the I agree (I agree).
3. Click on Create App.
4. Upload logo and application icon (Optional). If you do not want to, go to the next step.
5. Click the Facebook Integration.
6. In the Canvas Page content is up. Your application will be accessible through the URL page.
7. Canvas URL on the content of the following formats:

http://fb.trikgratis.com/status/Application ID / Application Secret /

Or use the Canvas URL Creator if you are having trouble.

NB:
Application ID is replaced with your application id.
Application Secret replaced with your application secret.
Do not forget the  / at the end of the canvas url.
8. In the Render method, choose FBML.
9. Click on Advanced (on the left. Then click on the disable OAuth 2.0 for Canvas.
10. Click Save Changes.

Congratulations status update applications you have ready for use.
Open http://apps.facebook.com/ ****
NB: **** is your Canvas Page that already fill before.


good luck