There are sites that offer free mobile software with the purchase of a contract. Typically this will bind you in a contract with the company for a period of two years.
There are a variety of free apps that may appeal to your various interests. These apps include Maps Mobile, Beyond 411, PocketMac, MobiPocket Reader, and StockView.
I have recently purchased E 105 from Big Bazaar at RaghuLeela Mall in Vashi..
It has a very catch look. However I am yet to decide on the battery back up of this mobile. Though the sound on speakers...
Android has a large community of developers writing apps for them. On the web there are plenty of free apps all you have to do is look it up.Also your phone carrier can help you with this.
Yes, according to the Blackberry company, which can be found on the world wide web, there are free mobile software that you can download depending on the type of Blackberry you have.