It's safe to download the app. Nikaya is developed by Tiểu Vũ and its category is Books & Reference. Users rated the tool 5 on Google Play.
The latest release was on Jan 22, 2015 and this application was downloaded and set up by over 1K users. Use the opportunity to get the installer of Nikaya 1.1 for free and take a look at users' reviews on Droid Informer. The app is built for Android 3.0 and higher.