You are able to download the setup package of ウィンドウショッピング 1.0 free of charge and have a look at users' reviews on Droid Informer. The app requires Android 4.4 and above. It's safe to download this application. My Barn.JP has developed the tool that falls into the Shopping category.
Over 100 users downloaded and set up ウィンドウショッピング and its most recent release was on Aug 17, 2015. The app has the average rating 3.6 on Google Play.