Maps API for v4.1
 

I have an appliocation that offers the users to Map an address.
That would work fine on Blackberry software version 4.2 and later, which have the built in Maps program, and a supporting API.
But what can be done for Blackberry ver 4.1, which has a downloadable Maps program, is there an API for that? And if yes, how would I check if the user has the downloaded program.

Thanks in advance,
Lionscribe