The way I understood it, this Legoland theme park will be part of the Legoland Discovery Center. There hasn't been any news of a Legoland amusement park in itself since Mr. Varney announced it last year.
Source: http://www.chinatopix.com/articles/80864/20160326/toymaker-lego-open-asias-largest-retail-store-shanghai.htm#ixzz44NfnTIjXThe Danish toy company already established more than 20 stores across China, but it does not stop there, as it plans to open a LEGOLand Discovery Center in Parkside Plaza in Shanghai on April 2. The new project reportedly costs 100 million RMB and will feature a 3,000-square meter mini-LEGOLand.