Learn a lot of Turkish words with this free app
Practice memorizing words and test your vocabulary
Lots of words and lots of levels

Free application to learn thousands of Turkish words:
https://play.google.com/store/apps/details?id=soboh90.turkish

Learn thousands of phrases and expressions in the Turkish language:
https://play.google.com/store/apps/details?id=palooapps.phrases.tr.ar

Learn and practice writing letters in the Turkish language:
https://play.google.com/store/apps/details?id=com.palooapps.writeletter