There is currently no BlackBerry version of the Optic Smart Remote app in development. I would go with Silver Arrow's suggestion and side-load the Android version.
Bengjai, VV might be an iPhone exlcusive, but that would be within TELUS only - both Rorgers and Bell do offer a form of visual voicemail for BB devices.
You can get Gmaps on a Z10, but for the moment it needs to be sideloaded.It's a bit of a tedious process, but there are a lot of step-by-step tutorials out there,