| Adult Zoo — Selecting this icon sets all of the animals viewed to be adult versions of the twenty-six animals and used for all five of The Letter Zoo’s activities. |
| Cartoon Zoo — Selecting this icon sets all of the animals viewed to be cartoon animal versions of the twenty-six animals and used for all five of The Letter Zoo’s activities. |
| Baby Zoo — Selecting this icon sets all of the animals viewed to be baby animal versions of the twenty-six animals and used for all five of The Letter Zoo’s activities. |
| Animal Zoo Button — This is one of five activities. Tapping this button takes the user to the Zoo Activity where the user can view and interact with all of the animals. |
| Sound Puzzle Button — Selecting this button takes the user to the second alphabet activity and challenges the user to match an animal’s noise to the correct animal picture. |
| Word Puzzle Button — Selecting this button takes the user to the third alphabet activity and challenges the user to match an animal’s name to its correct picture. |
| Letter Puzzle Button — Selecting this buttom takes the user to the fourth activity and this game prompts the user to match the letter to the correct animal’s name. |
| Memory Game Button — Selecting this button takes the user to the last activity and is a classic memory game where the user is required to match two uncovered images in order to solve a pair. |
| Game Settings Button — Selecting this icon takes the user to application settings options. |