Microsoft’s Windows Phone operating system is lacking several key applications, a problem that Nokia has acknowledge and vowed to address. It would appear the company’s hard work has paid off, because a new rumor claims one of the most popular photo-sharing applications in the world will arrive on Windows Phone later this month. According to Chinese website WPDang, Instagram will launch on Windows Phone as a Nokia exclusive on June 26th. Earlier rumors suggested the application would include an extra filter to reward Windows Phone users for their patience. The Windows Phone app store is now home to more than 145,000 applications, however Instagram is seen as the one application that could help Windows Phone better compete with rival operating systems.