3 stars: Sony A77M2 (ILCA77M2) won't connect to the API. Shame, as it sounds like it'd be a good app. I'll uninstall for now but happy to try again if updated for my camera.
3 stars: Found FDR-AX33 worked for my Sony A77M2. Camera does not auto focus or activate flash but that may be user error at this point. Does do timelapse in any case and show photos
3 stars: It seems A7R2 is not supported. So I bought the time lapse app from playmemories
3 stars: Really nice app if it works. Sadly it has a lot of connection issues and often skips or delays frames, expecially for short intervals. I'd recommend getting the Open Memories App Store on the camera and install the Timelapse App there, which is 100% reliable and free as well. Installation tutorials can be found on YouTube
4 stars: I worked well once I worked one thing I did to get it to work is completely close out of the app and have the camera wait for a connection and then start the app
5 stars: Most of the app functions in version 3.01 worked fine on a Sony DSC-WX220 with the camera model in the Timelapse app set to QX-10 / QX-100. The only issues I found were the "flash" enable in the app didn't seem to do anything, when the flash was enabled in the camera, a message would be displayed in the app - "We couldn't send or we didn't receive instructions from the camera" and the wifi connection would disconnect frequently but that may not be the fault of the app. However, when the wifi connection was solid ...