Here is QR code scan to download Yahoo Messenger for BlackBerry Curve 8910 (RIM Atlas) smartphones.  Content is key. When you mix compelling content with highly personalized mobile products, users continue to come back to your products and engage for lengthier periods of time. Yahoo! is known for our incredible content and passionate audiences behind our Sports, News, Entertainment, and Finance properties. In the new era of mobile, consumers demand the ability to take the same content and services they know and love on the PC and continue their experience on mobile.Yahoo! Messenger for BlackBerry Curve 8910 (RIM Atlas) Smartphones Take your Yahoo! conversations with you :

Open the BlackBerry App World app on your smartphone. Click the Menu key and select Scan a Barcode. Click Start Scanning. Point your BlackBerry Curve 8910 (RIM Atlas) smartphone camera at the barcode image and hold the camera steady for 3 seconds to scan it. BlackBerry App World will instantly find the app you’ve selected. Download by scan the QR code here

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Download Yahoo Messenger via BB Browser to download direct to phone : click here.

Download form PC : FREE YAHOO MESSENGER . Save it into PC and sent it to your BlackBerry Curve 8910 (RIM Atlas) via data cable

Here is download link of App World™ 3.1 for BlackBerry . Install it on RIM BlackBerry OS 4.5, RIM BlackBerry OS 4.6, RIM BlackBerry OS 4.7, RIM BlackBerry OS 5.0, RIM BlackBerry OS 6.0, RIM BlackBerry OS 7.0, RIM BlackBerry OS 7.1.  With BlackBerry App World™ 3.1 on your BlackBerry® smartphone, discovering apps, ringtones, themes and games is easier than ever. With the sleek storefront, you can quickly find specific apps, filter your search based on the app rating and request an app from a friend.

How to Download From your BlackBerry smartphone

Visit www.blackberry.com/appworld/download from your smartphone to download. Or, enter an email address1 that’s integrated with your BlackBerry smartphone below and click submit to have a download link sent to you.

From your  computer

To download BlackBerry App World from your computer, connect your BlackBerry smartphone using your USB cable and then click the button below.

DOWNLOAD LINK

How to download and install

BlackBerry App World™ is free you just Simply download it from your BlackBerry® smartphone or computer and get started. To purchase a paid application, you can use PayPal®, credit card or carrier billing, where supported.

Some times you have many trouble when you are transfer file via Playbook. Here is outline different methods of transferring files to and from the BlackBerry® PlayBook™ tablet. This is have two section about WiFi sharing and USB transfer
Wi-Fi® Sharing
This is a complete the following steps to share files over a Wi-Fi connection:

  1. BlackBerry PlayBook home screen, select the settings icon.
  2. Select Storage and Sharing.
  3. Toggle Wi-Fi Sharing to ON.
  4. Tap Properties to verify network identification information. (PlayBook name, password etc)
  5. From a Windows® or Mac based computer on the same network as the BlackBerry PlayBook, navigate to the IP address of the BlackBerry PlayBook which can be found under Settings >About > Network.
    1. On a Windows computer, open the Run dialog box (shortcut of Windows Key + R) and type file:\\127.1.1.1 or \\127.1.1.1 (where 127.1.1.1 should be replaced with the actual IP address of the BlackBerry PlayBook)
    2. On a Mac computer, select Go -> Connect to Server… and type smb://127.1.1.1(where 127.1.1.1 should be replaced with the actual IP address of the BlackBerry PlayBook)
  6. Once the device is connected to the computer, navigate to the media folder which contains several sub-folders such as documents, music, photos, videos, etc, the BlackBerry PlayBook user can then move files between the computer and these folders.

Doing File Sharing with a Mac via USB connection
To share files between a Mac and the BlackBerry PlayBook, BlackBerry® Device Manager will need to be installed. 

Complete the following steps to install BlackBerry Device Manager:

  1. Connect the BlackBerry PlayBook to the Mac.
  2. On the desktop or within Finder, double click BlackBerry PlayBook CD.
  3. Double click the BlackBerry Device Manager Installer to start the installation process.
  4. After reviewing the Read Me and License Agreement click Continue Installation.
  5. Reboot the computer when prompted.
  6. After the reboot is complete and the BlackBerry PlayBook is started, a message may be presented stating that a new network interface has been detected.  If this is the case, click onNetwork Preferences and click Apply.
  7. After the PlayBook has been setup in Network Preferences, the PlayBook share will appear on the desktop whenever the PlayBook is connected to the computer.
  8. Click the Playbook icon on the desktop to display the PlayBook share. Files can now be transferred to and from the BlackBerry PlayBook.
    Note: If error message You can’t install the ‘Network’ preferences pane because it is already installed. See the additional notes for further steps.

BlackBerry® Device Manager is also included within the BlackBerry Desktop Software for Mac. To download, please visit www.blackberry.com/mac.

File Sharing with a Windows® PC via USB connection
To share files between a Windows based PC and the BlackBerry PlayBook, BlackBerry® Device Manager will need to be installed. Complete the following steps to install BlackBerry Device Manager:

  1. Connect the BlackBerry PlayBook to the computer via USB cable.
  2. If BlackBerry Device Manager is not yet installed, the BlackBerry PlayBook will display a screen entitled Installing Drivers.
  3. On the computer, double click the BlackBerry PlayBook CD drive icon.
  4. Open the Drivers folder.
  5. Double click Setup.exe.
  6. After selecting the appropriate region and accepting the License Agreement select Install.
  7. Select Finish and then OK to the prompt confirming that the PlayBook will need to be disconnected and then reconnected prior to use.
  8. Once reconnected to the computer, the BlackBerry PlayBook will be mounted as a Network Drive labelled PlayBook [PIN: 500AAAAA].
  9. Double click the network drive icon to access the PlayBook folders.

If the error message You can’t install the ‘Network’ preferences pane because it is already installed is received while attempting to install the Network Device, complete the following steps:
1. Click OK and Navigate to System Preferences > Network
2. Click OK to accept the network changes. If the acceptance prompt is not displayed, continue to the next step.
3. Click the + under the listed network devices.
4. Click Create on the RIM Network device interface screen.
Notes:

  • File and Folder creation is only available on the BlackBerry PlayBook within the sub directories of the file structure. This is by design.
  • The main folders of the BlackBerry PlayBook are not meant to be modified renamed deleted or changed.  This is by design.
  • While any file type can physically be moved to the BlackBerry PlayBook the files capable of being opened are still limited to KB26606 , as well as KB26518 .
  • Wi-Fi File sharing should work with any Operating system such as Linux however is not supported by RIM.