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I use the Chanu app on my phone to browse 4chan and I would like to know if it is possible to use some of the features on a computer.

I have already looked through the setting and have not been able to find out how to do what I want to.

On my phone I'm able to swipe left to view the next topic in the catalogue. Is there a hotkey I can press to do the same on the computer?

Currently I have to press back to return to the catalogue page, then click on the next topic.

On my phone there is an icon which shows the number of replies a post has, and it can be expanded to read all of them. Is there any way to do this on the computer.

Currently I have to hover or click on each reply individually to view them.