BlackBerry Messenger is close to becoming a cross-platform messaging service for the first time, but when will you be able to download the app on your Android and iOS devices? BlackBerry has been pretty quiet about launch dates up until now, but a new rumor claims BBM will hit Google Play this Friday, September 20, before landing on the App Store a day later.

Google is rolling out an update for its official Wallet app on Google Play. This upgrade brings several improvements to the user interface, support for any credit/debit card, as well as support for a shedload of new devices – Wallet will now run on any Android device running 2.3 or higher. However, at this precise moment in time, Wallet will still continue to remain a Google exclusive for U.S. residents.

Twitter has officially rolled out the latest version of its Twitter application to all registered Android beta testers via the Play Store. Version 5.0 comes in the form of a rather hefty update, bringing a completely re-designed user interface.

Starting today, Google is rolling out an over-the-air update for the Google Play Edition of HTC’s flagship One. This upgrade brings the handset up to speed with current Nexus devices running build JWR66Y. Although it doesn’t bring any major software improvements, it’s still quite an important stability update that we would advise all users to download.

Google has today released a new update for Google Play Music on Android which adds a new Genre Radio feature to All Access, its subscription-based music streaming service. Simply pick your favorite genre and Play Music will provide you with an unlimited number of tracks.