Google Play has several MosaLingua Premium Language learning apps for free. Normally $4.99 each.
German
Spanish
French
Brazilian Portuguese
Italian
Russian
https://play.google.com/store/apps/developer?referrer=utm_campaign=s&id=MosaLingua Crea -all apps on one page
For iOS users all languages are bundled in one app.
Link
German
Spanish
French
Brazilian Portuguese
Italian
Russian
https://play.google.com/store/apps/developer?referrer=utm_campaign=s&id=MosaLingua Crea -all apps on one page
For iOS users all languages are bundled in one app.
Link