Although it was added to Google Play last year, Amazon Kindle Lite spend a few good months in the open beta stage. Now, this e-book reader app is finally out of testing, but only Google Play users in India can get it for the time being. Having less than 2 MB in size, this Android app is optimized for slow 2G/3G networks and low-end handsets, both very popular in India.
https://www.notebookcheck.net/Amazon-Kindle-Lite-for-basic-handsets-and-slow-internet-connections-debuts-in-India.293156.0.html