Love it! I've loved this app  and used it on most of my phones for a great indication of how fast my battery is draining or charging. Sadly  as I just switched to a Note 4  I must regretfully leave this behind as Samsung does not provide a way for this app to read what it needs. I can't take away stars for the app not doing what it cannot (and clearly warns me about)  though  so I'll rate it based on recent past experience with it instead.
February 13 2015