Actually just a simple mobile.Rules are listed in save but then also,
1) it contains a real battery. (if it discharges then please sprk the metl block given in lower left corner!)
2) Clickable buttons (with appropriate symbols )
3) the battery cannot be charged when the mobile is on i.e when the screen is fluctuating.
4)A torch is also included.

here is the save

IN Version '2' a battery charge indicator and a charging indicator is also included

@NUCLEAR_FOX (View Post)
NO!
@Fast-Driver (View Post)
yes
@therocketeer (View Post)
Correct