I've been using the Android platform since 2009 and one application that has come in handy for everything I needed to do with regards to locating and managing files and apps has been through Root Explorer file manager. Check out of modified version with new icons free for download.
Version 3.3.4 Download Here
• Improved handling of situation where root access is denied in Superuser
• Fix for "Open With" crash
• Correctly create and extract archives to SD card in Lollipop (when path is changed in prefs).