You are able to download the setup package of R+SmartⅡ 0.9.6.6 for free and have a look at users' reviews on Droid Informer. The app works fine on Android 2.3.3 and higher. The download of this application is 100% secure. ROBOTIS is the creator of the tool which can be found in the Educational category.
R+SmartⅡ was downloaded and set up by over 10K users and its latest stable release was on Feb 26, 2019. The app has been rated 4.1 on Google Play.