Available in beta for Android Viber (make calls to other users Viber via the 3G network or Wi-Fi in a completely free )

For those not familiar Viber is an application that allows us to make calls to other users Viber via the 3G network or Wi-Fi in a completely free and there have long been the platform for IOS. Today the company has launched the beta version of Android.
You can download the beta version from here . You also need to register here .
For those who can not download the beta from the site you can download the APK from here .
Thank PTKDEV for reporting on Twitter.
Small update: Personally I'm trying the program on my Nexus S CyanogenMod (nightly # 65 with Android 2.3.4) and unfortunately I do not work. So apparently the program is only compatible with terminals Android 2.2 and 2.3 at the moment.