Yo, I have been using this quite a bit for a project I am working on.

1) Would be handy af if when scrolling thru source, all the panes were scrolling to the same lines. So that the smali and java panes were in sync so that i could compare smali to java to quickly see if there is something missing.

2) Search causes it to randomly crash

If we get that feature I promise to make more tutorials on how to do some crazy shit in android. Like creating webservers on your devices which hook netflix and give you urls to dl tv shows off ;D

To properly track where in the code you currently are would require language analysis which I don't think is going to happen anytime soon.