The application has 5 levels of difficulty with vocabulary of animals, colors, greetings and family members. In each level you have to say the word to be shown and the application will tell you if you're right or not.
The levels are unlocked as some rating is reached in each of the topics.
In the section of the questionnaire, which is unlocked finishing the first level, you will be prompted randomly vocabulary application.
In the study section, you can access all the audio from the vocabulary of the application.
It has a description of the Nahuatl grammar.
The application can be viewed in the following languages: Spanish, English, German, Japanese and Nahuatl.
In the application you can choose between the voice of a woman or a man, in the configuration section.
It has a tutorial on how to use the application.