The app is completely safe for downloading. VietLemon IT is the creator of HOU Note that can be found in the Educational category. Over 50 users downloaded and set up the tool and the most recent release was on Dec 21, 2015.
The overall rating for this application is 4.5 on Google Play. Get the installation package of HOU Note 1.0.7 that is provided for free and have a look at users' reviews on Droid Informer. The app is developed for Android 4.0 and above.