Need to be improoved

Ive been using this app for along time and thank you for that. My notes are
1. Ui design must be improoved
2. Selection a word or a part of text is very hard to do
3. Adding notes are hard to do
4. Word or selection based notes must be
5. Page related or overall notes can be seen easily and added notes that related to a part of text must be indicated visualy

delizade about Ebook Reader, v4.0.3