Some funny reviews on this groundbreaking app
https://play.google.com/store/apps/details?id=com.szlab.solarcharger&feature=top-free#?t=W251bGwsMSwxLDIwNSwiY29tLnN6bGFiLnNvbGFyY2hhcmdlciJd
https://play.google.com/store/apps/details?id=com.szlab.solarcharger&feature=top-free#?t=W251bGwsMSwxLDIwNSwiY29tLnN6bGFiLnNvbGFyY2hhcmdlciJd