It's safe to download the tool. CuteFun is the developer of this application that can be found in the Educational category. The developer released a new version of Learn to Speak English on Dec 19, 2014 and over 5K users downloaded and set up the app.
The tool is not recommended for people under the age of 14, it has been rated 4.6 on Google Play. This application contains advertisements. It's free of charge to get the installation package of Learn to Speak English, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 2.2 and higher.