Early Learning Languages Australia

The Australian Government Department of Education and Training have created apps for preschool children to learn languages and details are found here: https://www.ella.edu.au
Currently the ELLA program is available in 8 languages: Arabic, Chinese (Mandarin), French, Indonesian, Italian, Japanese or Spanish.
In 2018 two more languages will be added: Hindi and Modern Greek
More information is available here
The evaluation report is here