A free program for Android, by Eductify.
This free application is designed for both children and adults. It will help them learn how to spell the different letters of the Spanish language, as well as how to write and read their writing.
The app is divided into different topics that range from the simplest to the most complex aspects of the language. Each topic has a number of activities that will help you practice what you have just learned. You will be able to test yourself on what you have learned by completing the activities and then you will be able to see your progress.
The application works without internet.