Prepaid provider Boost Mobile today announced the Samsung Seek, the company’s first touchscreen device with a slide-out qwerty keyboard.

The Samsung Seek will be available Aug. 25 online for $149.99. The phone is available now through Boost Mobile exclusive retail stores and select independent wireless dealer locations. By the end of the month, the Seek also will be available at Best Buy and RadioShack.

The Seek features a 2.6-inch touchscreen, 1.3-megapixel camera, memory expandable up to 32GB via microSD and Bluetooth.

Boost, a division of Sprint, currently offers a Mobile Monthly Unlimited offer, which includes nationwide voice, text messaging, Web, e-mail, IM and calls to 411 for $50 with no annual contract.