Haywire
There is a pile. There are needles in it.
Six million strands of hay in a locked warehouse. Your phone is the metal detector.
Open in your browseriPhone and Android betas are coming.
Dig by feel
Hold on the pile to dig. The dial climbs and the phone ticks faster as you close in.
Machines dig for you
Hay pays for tools, then intakes, belts, scanners and balers. They keep going while you're away.
Nobody explains why
Clear a pile and a bigger one is delivered. Each needle comes with a note.