Complex sentence: In August 2012, Microsoft official rebranded the "Windows Phone Marketplace" to "Windows Phone Store", the change was seen on Windows Phone devices and on the Windows Phone website, the Marketplace section was changed to "Apps + Games".
Split into simpler sentences: In August 2012, Microsoft officially rebranded the "Windows Phone Marketplace" to "Windows Phone Store". The change was seen on Windows Phone devices and on the Windows Phone website, the Marketplace section was changed to "Apps + Games".