I do a lot of onsite tech support, so I have a few trick apps in my bag at all times.
I’m a geek! And it shows me wireless signal levels AND the stardate!
Sometimes you just need to get the signal, man.
Why doesn’t your nextflix work? Oh yeah you have 512k DSL shared amongst 5 computers. That explains it.
Find anything. Quickly.
Droidlight LED Flashlight
Ever needed to plug a cable in in complete darkness? I use this more than anything.