Keyboard shortcuts provide a quick way of performing various tasks on your Kindle. Once you get used to them, you will use them all of the time.
Shop in Kindle Store: ALT+HOME
Take a screenshot: ALT+Shift+G (the image will be saved to the Kindle’s documents folder)
Start/stop text-to-speech: Shift+SYM
Pause/resume text-to-speech: Space Bar
Go to the next audio track: ALT+F
Play/stop audio: ALT+Space
Refresh the Kindle display: ALT+G
Add/remove a bookmark: ALT+B
