If you are trying to install this on a legacy device today:

Originally launched as BlackBerry App World, the platform was later rebranded simply as .

On a BlackBerry running OS 7.1, downloading App World was rarely a manual file process.

: The official servers were permanently shut down in early 2022, effectively ending official "over-the-air" (OTA) downloads for legacy devices. How to Install Software on BlackBerry 7.1 Today