Acer's Tempo family of devices are all touch-enabled and based on Windows Mobile; the company has dropped hints about working on smartphones based on other OSes Acer has jumped head first into the smartphone market with its Tempo family of devices. They are all touch-enabled and based on Windows Mobile, the company announced on Monday.The Tempo family is to a large extent the result of Acer buying Taiwanese smartphone maker E-Ten last year. Developing its new smartphones wouldn’t have been possible without the R&D know-how it got via that deal, according to Aymar de Lencquesaing, the head of Acer’s Smart Handheld Business Group.[ Competition among business smartphones is heating up. See InfoWorld’s guide to next-gen mobile and Test Center reviews of the BlackBerry Storm, iPhone 3G, T-Mobile G1, Palm Treo Pro, and HP iPaq 910c. | Get the latest on mobile developments with InfoWorld’s Mobile Report newsletter. ] The first set of devices will be based on the existing version of Microsoft’s Windows Mobile operating system. Included is, for example, the M900, which comes equipped with a QWERTY keyboard, a 3.8-inch screen, and a fingerprint scanner for authentication. It also has HSDPA (High-Speed Download Packet Access) support, built-in GPS, and a 5-megapixel camera.For users who aren’t fond of QWERTY keyboards there is the F900, which also comes with 3.8-inch screen. It has a 3.2-megapixel camera, and you also get faster uploads using HSUPA (High-Speed Uplink Packet Access) and support for Wi-Fi.Both phones will start shipping at the end of March or the beginning of April, according to Acer. Pricing will be announced at the time of launch. The company is also working on a second set of smartphones that will be based on Windows Mobile 6.5, which was also announced on Monday, and come out by the end of the year.De Lencquesaing also dropped hints about Acer working on smartphones based on other operating systems than Windows Mobile, including Android, but didn’t provide any details.Acer’s goal is to become one of the top five smartphone vendors, which means it would at least have to displace Sharp from the fifth spot and sell about 1.3 million units per quarter, according to third-quarter sales statistics from Gartner. Technology Industry