If you are updating a lot of apps at the same time or downloading a lot of apps you can choose which one to download first by tapping it once and then once again.
Pause apps downloading by tapping once and they will stop downloading, tap again to get started

Make Text larger by going to Settings - General - Accessibility- Large Text and choose a text setting

Zoom a screen by going to Settings - General -Accessibility - Zoom and set it to on. Now you can double tap with 3 fingers to zoom in on the screen and move around the screen with 3 fingers

Turn on Voice over by going to Settings - General - Accessibility - Voice Over and choose on. This will read to you.