This is an open hardware design, it has a charger and a 3.7V battery protector with WiFi connection and NeoPixel or WS2812 LEDs so you can create your own turn on sequence changing to any color you want, 
it's possible tou use an android app using the wifi
with the files you can order them assembled directly from JLCPCB.com using the gerbers bom and cpl files, the most of components are available for using the smt assembly service