T-Mobile’s G1 has been officially launched today and most buyers will be interested to check the Android Market. There are 50 apps are available for now but more are to follow.

Beginning on Monday, interested developers will have to register and pay a one time $25 application fee in order to make sure that they are authenticated and responsible for their applications. After that the programs will be available to users without any other validation or approval.

Next year, developers will be able to distribute paid applications in addition to free applications. As for revenue, developers will get 70% out of each sale, just like Apple developers.

Did you happen to get the G1 already? How do you find it so far?