BlackBerry Priv wins plaudits, but price tag questioned

By Euan Rocha TORONTO (Reuters) - BlackBerry Ltd launched its first Android-based device on Friday, with the future of the company's hardware business riding on a slick smartphone called Priv that boasts an impressive array of features and a hefty price tag. The company is betting the Priv's large curved screen, full array of Android apps from the Google Play store and blend of productivity and security features will help it rebuild its share of the smartphone market, which has slid to under one