All the following apps can be found on both Google Play and the App Store:

• Small Wonders: Small Wonders comes with games, songs, and activity ideas that are designed to initiate conversation between the parent/caregiver and the child.
• Photo Play: Photo Play allows the child to choose a photo and draw on it, decorate it, and play games with it.
• Animal Antics: Animal Antics allows the child to take on the role of an animal character in many different story settings. The app can record dialogue and the animal character can even imitate facial expressions.

Original Sources:

"Cultivating Early Literacy: New Apps to Spark Family Conversation": https://www.gse.harvard.edu/apps/early-literacy

Omar Abdel Haq, "Harvard Graduate School of Education Releases Its First Early Literacy Mobile Apps": https://www.thecrimson.com/article/2021/4/28/hgse-literacy-apps/