This has been confirmed to work with the Blackbery Curve, Tour and Storm. This will allow you to use 3rd party network apps using cricKet internet:

Google mobile app
Google Maps
Blackberry Maps
Yahoo! GO
WeatherEye
OpenBeak
Dictionary.com
Viigo
Beyond411
Tiggit Mail
Pocket Express
Opera Mini
Bolt Browser
Freerange
IM+ Lite
Shangmail

STEP 1: On your blackberry native browser, navigate to [Only registered and activated users can see links. ]

STEP 2: Download and install Aerize WiFix (click try)
Wifix comes with a FREE 10 day trial, after the 10 days you can register it for $7.50

STEP 3: Download the WIFIX SETTINGS FILE Here --> [Only registered and activated users can see links. ] (save the settings.wifix on your SD CARD)

STEP 4: Once WiFix is installed, Click OPTIONS, and APPLICATIONS, Choose Aerize Wifix and set all permission to Allow

STEP 5: Click OPTIONS, choose Aerize Wifix, Click BLACKBERRY key and choose IMPORT SETTINGS, navigate to your SD CARD where you saved the settings.wifix. Confirm to IMPORT.

STEP 6: Download all the third party apps on your Blackberry Native Browser, go here: [Only registered and activated users can see links. ]

STEP 7: Enjoy using third party network apps on your cricKet Blackberry fearmotor