You can download Daily Word from the Kindle Store on Fire and other Kindle devices by tapping the NEWSSTAND tab or icon, and subscribe. You can also locate your device on a drop-down menu at Daily Word Kindle Edition and download from there.
You can manage your subscription from your device by going to: My Account, Amazon Account Settings, Subscriptions, and then to your Amazon account sign-in page. More information can be found at Amazon Newsstand Subscriptions.
No, you cannot change the language on Daily Word to Spanish. You can set your device language to Spanish (under Settings, Keyboard, and Language) but it will not change the language of your Newsstand subscription.
Yes, you can bookmark your favorite page by tapping on the bookmark icon located in the upper right corner.
Daily Word is not available in an audio format. However, the Fire HD device has the capability to read the magazine content aloud.
Go to your device Settings -> Keyboard and Language -> Text to speech -> Choose respective language