If for some reason, you cannot find BlackBerry AppWorld on your legacy BlackBerry smartphone (Curve, Torch, Bold devices), you can have it downloaded and installed in a few easy steps.
Your BlackBerry smartphone must have the BlackBerry® Device Software v5.0 to v7.1. To check what software version your smartphone is running, click Options -> About or Device -> About Device Versions.
Visit The Link Below From Your BlackBerry smartphone
www.blackberry.com/appworld/download. Follow the instructions to download and complete the installation of AppWorld to your BlackBerry smartphone.