To send a gift, tap the Gift button in the bottom menu → choose a gift and the friend you want to send it to. You can also send a gift through the Neighbors menu. To open the Neighbors menu, tap the Sociality button (the button with 3 people in the bottom menu) → tap another button with 3 people. To send a gift, choose the Neighbors tab → tap Send a Gift and choose a gift. Note that you can send 20 free gifts a day and you can’t send more than 1 free gift to each neighbor per day.
Airport City: How do I add friends?
Airport City: How many neighbors can I visit a day to help?
Airport City: What do I need Control Tower for?
Airport City: How does a Terminal work and what are the sections for?
Airport City: What do I need a Ground Control for?
Airport City: How can I launch a rocket with my neighbor?
Airport City: What is a Stand?
Airport City: How do Runways work?
Airport City: What are Adventure Ratings?
Airport City: Cargo Cult