Zoo Train

"Zoo Train" is an educational game for preschoolers aged 2-5, featuring five different games that teach alphabet, letters, word-building, patterns, shapes, and music. Players can build their own train and earn stickers as rewards. The game boasts high-quality music and animation, with an easy-to-use interface that encourages exploration. "Zoo Train" has received accolades from parents and reviewers, and is a universal app for both iPhone and iPad. The game also prioritizes privacy, which is indicated in the description.