1.) Hello! Thank you very much for the words of support, really appreciate it!
Now, you can go to the next page by clicking to the ‘+' sign that's right next to number of pages. Here's a GIF that'll help!
2.) As for the new theme, the final score seems to be 4 : 2.
So, I guess it stays until I find something that’s a mixture of both!
Thanks for the replies, guys!
[Not the most appropriate GIF, I know!]