Use APKPure App
Get Book Loader for Kindle ebooks old version APK for Android
Load your .mobi ebooks into the Kindle app with Book Loader.
Got .mobi ebook files you would like to read on your Android device? Book Loader will load them directly into your Kindle app with ease.
Open .mobi files from Google Drive, Gmail, a file manager, or most other apps and Book Loader is ready for the job. It imports your books directly into Kindle so you can read on the go!
It also helps you manage the collection of .mobi ebooks on your device so you can delete books you have read and no longer want on your device.
Requires the Amazon Kindle app to be installed also.