Hi Mike,

Thank you for yor message, The Gateway App only works with Andriod and IOS devices, the Amazon Fire Tablet has its over version of Android which the Gateway app does not support.

Marshall Support

There are a couple of ways to get it to work on a Kindle tablet. I have it running on my Kindle fire HD 10". One way is if you have another device like a phone that can install the app. Make a backup of the .APK file and copy it to your computer via USB. Then copy the .APK app file from your PC to your Kindle and install it. 

The other way involves downloading some Google apps from the internet. Google play and Google Store so you can use the app store on your kindle. Marshall Gateway can then be installed directly from the Google play store. I found this out when trying to find out how to get google chrome to run on my Kindle. A quick search online provided the info which enabled me to install the store. When I tried installing the Gateway app it worked fine.