e-reader

I'm going through some of the graded readers from Rainbow Bridge that Pleco has to offer. Browsing through the first sample, however, already shows a strange piece of text (shown in the image). While the story is intriguing, I'm not sure whether I'm willing to buy it if this continues...

Since I'm reading a lot of books on my computer, both Chinese and others, I've decided to get an e-reader, like Kindle or if there's anything similar. After doing some research, it seems that for me to use Pleco on a Kindle, I would need to get a Kindle device which uses the Android OS, is that...