AT&T announced on Monday that its first Windows Phone Mango devices will be the Samsung Focus S, the HTC TITAN and the Samsung Focus Flash. We recently had hands-on time with the HTC TITAN, which has a 4.7-inch display and a 1.5GHz processor. The Samsung Focus S will offer a 4.3-inch Super AMOLED Plus display, a 1.4GHz processor, support for AT&T’s HSPA+ network, an 8-megapixel camera and a 1.3-megapixel front-facing camera for video chats. The Samsung Focus Flash offers a 3.7-inch Super AMOLED screen, a 1.4GHz processor, a 5-megapixel camera and a forward-facing camera for video chats. AT&T also restated that its current Windows Phone devices, which includes the HTC HD7S, Samsung Focus, LG Quantum and HTC Surround, will receive the Windows Phone Mango update this fall. AT&T has not yet announced pricing for the new phones or release dates.