The Japanese learning space feels so crowded. Most are marketed towards beginners, which makes sense when you see statistics (most folks give up). The top tier tools I recommend anyone are Wanikani and Bunpro. Beyond that, reading! I tried a site dedicated to it, but realized that I'm too much of a picky reader to do anything but read things I find interesting. So I read japanese and english books side by side now. I…
I actually cobbled together something like that using Google's OCR API for Android. Works well for me but might be too janky for release. Maybe I should release it as a good tool for upper intermediates.