Maybe you still remember that the previous spread rumors saying that HTC will produce these phones up and seemed to be true despite Mark Zuckerberg has previously dismissed such rumors.
Today you can see the presence of two HTC phones that have a dedicated button to access the applications up, the phone is called HTC HTC Salsa and Chacha.
Both phones using the Android operating system 2.4 with HTC interface Sense who has been in improved and modified to directly tailored to the needs of users who want to access Facebook.
Chacha HTC comes with a screen measuring 2.6 inches and the physical QWERTY keyboard, but this device also has a touch-screen capabilities. With a button up at the bottom of the QWERTY keypad, it will be easier for users to access the Facebook page directly.
While Salsa phones have features similar to the phone Chacha, who distinguishes between the two is that Salsa has no QWERTY keyboard buttons like Chacha but has a bigger screen that is 3.6 inch and has a button up at the bottom of the screen.
Both use Qualcomm MSM7227 600MHz processor, 512MB of RAM and ROM size, 5 megapixel camera with autofocus and LED flash on the back, and a VGA camera on the front.
source: Engadget