RIM has has just launched TiVo app for BlackBerry phones. Now if you own BlackBerry phone you are able to view the program/TV guide from your phone or schedule recordings on your TiVo home set.
TiVo for BlackBerry Lets you see Program and Schedule Recordings


You can also browse by category, view the most popular shows or daily picks and see the programming details, such as title, description, runtime, and time. Additionally, the BlackBerry device can easily be used to set a TiVo to record shows.

You can download TiVo for BlackBerry at BlackBerry Download site.