[Galaxy Ace S5830 General] Curius7:
On reading this some may think it sounds stupid(as the original post says :p) but believe me, this thing worked for me.

First up, you’ll have to head to the Blackberry developers’site. You’ll need to download two packages:

- Blackberry Device Simulator 7.0 (177MB)

- Blackberry Email and MDS Services Simulator Package (44.2MB)

The former contains the device emulator which includes the Facebook app, and the latter allows said emulator to connect to the internets. As a testament to how archaic parts of Research In Motion's site are, you’ll have to download an ‘Akamai NetSession Inferface Console’ plugin to get hold of the Email and MDS package, but that can be readily uninstalled when you’re done with it.

After you’ve installed the two packages, launch the emulator. It’ll be under Start/All Programs/Research In Motion/Blackberry Simulators 7.0.0/7.0.0.362 (9350)/9350. Launching this brings up a seemingly-useless blank command prompt window, followed by the emulator itself, which may need scaling depending on your PC’s screen size. It’ll take a wee while to load up, then boot you into the standard non-touchscreen Blackberry interface. Now you’re in business.

- 1. Firstly, grab your Android phone. Make sure you have the latest version of Facebook installed from the market.

- 2. Head to Settings/Applications/Manage Applications. Tap on Facebook, then clear cache and data. Set your Android phone aside.

- 3. Now jump back on the PC and get into the Blackberry emulator as outlined above. Use your mouse to click on the little Blackberry flag button twice, which will bring up the ‘app drawer’. Use the mouse to move the square D-pad to the Facebook icon, and click the D-pad to launch.

- 4. Sign in to Facebook on the Blackberry emulator with your regular details. Thankfully, the PC keyboard works, you don’t have to painstakingly click each key on the on-screen Blackberry keyboard!

- 5. Wait for your feed to load in the Blackberry Facebook app. Once it’s updated with your information, simply log out again.

- 6. Head to desktop Facebook on your PC. Make sure you’re logged in, then hit the little drop-arrow next to the Home button, and click on Account Settings. While you’re here, take note of the icon next to Notifications down the left-hand side – you’ll be seeing a lot more of this icon very soon.

- 7. Click on ‘Apps’ down the left-hand side, and make sure ‘Facebook for Blackberry Smartphones’ is authorised. If it’s not, try logging back in on the Blackberry emulator again.

[P.S :: The 'Facebook for Blackberry Smartphones' didn't appear in my list so if the same happens to you don't panic, just got to the notifcations tabs on the left hand side and look for 'All notifications' and click on other applications and authorise the 'Blackberry Smartphones app', it worked for me.]

- 8. Pick your Android phone up once more, and launch the Facebook app. Sign in (Since you cleared data & cache earlier). Once you see your news feed, hit the News Feed logo up top to take you to the app’s main menu. Then press the Menu button, go to Settings, and make sure there is a tick next to Notifications, and the Messages/Friend Requests/Event Invites/Vibrate/LED/Notification Ringtone options are enabled or disabled to your tastes. Personally, I like to put that Facebook Pop notification sound to good use – note that it’s set to silent by default.

- 9. You can also set the refresh interval to Never, since these are push notifications, and your feed doesn’t have to auto-refresh.

- 10. Bang, you’re done. Get used to seeing that new notification icon, because wall posts, comments, and replies are going to be pushed your way within a few minutes of being added.

The links for Blackberry Device Simulator 7.0 (177MB) & Blackberry Email and MDS Services Simulator Package (44.2MB)

The credits goes to the original poster :D

For more info, link to original post is given below: