PlayMemories Mobile is a free mobile app from Sony, which enables instant image transfer via Wi-Fi enabled cameras to smartphones and tablets.
PlayMemories Mobile also lets you use your smartphone or tablet as a remote commander for the camera. Operations such as shutter release, record start/stop, and zoom are available.
You can download PlayMemories Mobile from Google Play or App Store.
Visit the following website for details:
www.sony.net/pmm/