Installation Errors: Kindle devices
When Installing Bookshelf for Kindle from the Google Play Store
Any errors during the download or installation of the App from the PlayStore. You may see the error “App Not Installed” OR “Times Out during download"
You will need to refer to the Amazon’s Kindle FIre Articles to troubleshoot.
Tip: Clearing the Store’s App & Data may help > Clear App Cache and Data on Your Fire Tablet (8th Generation and Newer) - Amazon Customer Service