Finally found duokan 2015 os

I tried duokan 2012 but 2015 has book cover view. Accounts and the browser doesn't work but ftp host is very useful. I can send epubs from my phone. And it's dual boot, I can switch to kindle os any time. I think koreader is the best, but very laggy on old devices.

I tried duokan 2012 but 2015 has book cover view. Accounts and the browser doesn't work but ftp host is very useful. I can send epubs from my phone. And it's dual boot, I can switch to kindle os any time. I think koreader is the best, but very laggy on old devices.