https://www.kaggle.com/mmellinger66
iOS apps
Hundred Words: https://apps.apple.com/us/app/hundred-words/id1469449237
Language Pairs: https://itunes.apple.com/us/app/language-pairs/id1438817614?mt=8
Pictures and Words: https://itunes.apple.com/us/app/pictures-and-words/id1459560476?mt=8
Word Search: https://itunes.apple.com/us/app/h4labs-word-search/id1311744075?mt=8