There are some study parts that I prefer to do on the web version, such as "tones practice". I don't like using the app for this because I feel like I can do it much faster on a laptop/computer with four fingers on the keyboard's 1,2,3,4 keys.
To use the web version, however, we have to be on the web. Sometimes this could be inconvenient, such as for me, because the internet where I live is very crappy. It would be cool if we could go somewhere and "sync" a bunch review items from the queue, and then go through them later in a place where this is no internet connection, and the save everything, and later sync it to the website, just like we do with the IOS app.
If this is pheasable, it would be really cool, and much appreciated.