Good news for US and UK developers from Google, which now allows them to include price tags whenever uploading mobile apps to Google’s Android Market. According to a blog post, non-free apps will reach non-US handsets in the coming months, as priced apps in the US will go on-sale sometime this week. By the end of March, Google will allow app sales from developers in Germany, Austria, Netherlands, France and Spain.

As for the free apps part, Google opened a free-app Android Market in Australia and Singapore will soon receive one. The first Android Market was launched in late October, following the debut of T-Mobile’s G1. The price tagged Android Market will use Google Checkout, and developers can sign up for one at the official Android publisher site.

However, analysts estimate the Android Market will not yet become a Google revenue generator. Developers get a 70% cut from app sales, and the remaining 30% goes to wireless carriers. Unlike Apple, Google does not keep its part.

T-Mobile recently announced a version of Guitar Hero World Tour Mobile, which will be hitting the Android soon. Gamers will use the G1’s sensitive touch-screen to play along with 15 rock classics, including Deep Purple’s Smoke on the Water and Black Sabbath’s Paranoid. There is also a bonus song available every month and users can create their own rock star persona.

Furthermore, the mobile version of Who Wants to be a Millionaire, Tetris, and Monopoly are also on the way. What’s interesting is that no game appears in T-Mobile’s recently published list of the ten most popular apps downloaded onto its G1 handset. The Weather Channel is the most popular, followed by MySpace Mobile. It remains to be seen if they will have the desired success.