Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to zoom with the camera on android [title] Open your android's camera app. [step] Most androids use different camera apps, so its icon will vary. [title] Pinch your fingers outward.

Ending1: [step] Touch your fingertips together to create circles (2 circles each). You can spin the camera on the ground by pinching multiple fingers together. Ending2: [step] This motion is basically the opposite of a pinch. Start by your thumb and pointer finger together on the screen, then move them away from one another in opposite directions. Ending3: [step] It will zoom straight up, so pinch your index fingers along their length. [substeps] This method is only for beginners who are keen on the basics. Ending4: [step] Your fingers should be about a foot apart. Tapping will open the camera app's app menu.

Answer format: ending1/ending2/ending3/ending4