It's secure to download this application. Billiau Daniel is the developer of the app which belongs to the Education Games category. Users rated letters1 4.3 on Google Play.
The latest update of this application was launched on Sep 2, 2019 and the game has been installed by over 10 users. Download the installation package of letters1 4.1 that is completely free of charge and check out users' reviews on Droid Informer. The app can be launched flawlessly on Android 4.1 and above.