The Caribu Library includes books in English, Spanish, French, Portuguese, Chinese, German, Hindi, Dari, Farsi, Hebrew, Pashto and Haitian Creole. The app itself is in English.
Open Caribu, and tap the magnifying glass "Search" at the bottom of the menu bar. This will take you to a search page. Scroll down to see categories for books in Spanish, French, Chinese, and World Languages.
In the "Activities" section, there are many activities that do not require any language, such as Tic-Tac-Toe, Connect Four, Stickers, Memory, Tile Puzzles, Sequence and Drawing Sheets.