Backwards compatible fanfic refers to fan - created fiction that is designed to be in harmony with the existing canon, especially when new installments or changes are made. It's like the fanfic can still work well with the original material even as the official story progresses.
Manga is read backwards because that's the traditional way it's been formatted in Japanese culture. The layout and reading direction are part of the unique style.
The reason manga is read backwards is related to the way Japanese language and writing systems are structured. Also, it's been a convention in the manga industry for a long time. So, that's just how it's done.
To outline a novel backwards, you have to begin with the ultimate resolution. Then, ask yourself what had to happen before that to make it possible. This might include deciding on the climax and working backwards to build up to it, as well as determining the character development needed to reach that final moment.
I'm not sure. It depends on the platform and the specific version of Comic Jumper. You might need to check the official documentation or support from the game's developers.