The app is totally secure for downloading. CEWE is the developer of cewe service which can be found in the Photography category. The tool was downloaded and set up by over 10K users and the latest stable release was on Nov 19, 2015.
Google Play shows that this application is rated 3.1 by its users. Use the opportunity to get the setup package of cewe service 2.0.1 for free and have a look at users' reviews on Droid Informer. The app is built for Android 4.0 and higher.