Ever stood in a circle arguing about who should take the penalty shot, or spent five minutes trying to fairly divide teams? Group decisions are surprisingly hard, especially when everyone’s watching and nobody wants to seem biased.
I built God Finger to solve this with the most natural interface possible: everyone just puts a finger on the screen.
The idea came from watching friends waste time on basic decisions during game nights. We’d pull out random number generators or do rock-paper-scissors tournaments, but those felt clunky. I wanted something that felt magical—where the phone itself became the impartial judge, and everyone participated simultaneously.
So I built an app around multi-touch detection. It identifies each finger touching the screen, assigns it a unique color against a galaxy background, and handles the selection logic. No typing names, no taking turns. Just touch and go.
What It Does
God Finger has four modes, each solving a different group coordination problem:
- Single Mode randomly selects one or more people from everyone touching the screen. Perfect for choosing who pays the bill, who’s “it” in a game, or who takes the penalty.
- Team Mode instantly divides everyone into 2 to 8 teams. You can either keep remainder players as their own team or distribute them across existing teams.
- Order Mode assigns a random sequence to everyone. Great for presentation order, turn-taking in board games, or duty rosters.
- Rank Mode turns it into a reaction speed contest. When the countdown ends, everyone taps as fast as possible, and rankings are revealed simultaneously.
Each mode features ripple animations that emanate from each finger, haptic feedback for tactile response, and a customizable countdown from 5 to 60 seconds. The app works completely offline—no internet required, no data collected.
I designed this for anyone who regularly deals with group decisions. Sports coaches splitting practice teams. Teachers assigning presentation order. Friends deciding who makes the coffee run. Party hosts running penalty games. The interface is simple enough that you can explain it in five seconds, which matters when you’re standing around with a group waiting to get on with things.
The app supports Korean, English, Japanese, and Chinese, because fair random selection is a universal need.
God Finger 1.0.1 is available now on the Play Store. If you’ve ever needed a fast, fair way to make group decisions, give it a try. Place your fingers, let the app decide, and get back to what you were actually doing.
Download on Google Play: God Finger – Random Pick&Team
Official page: reactiveworks.dev/apps/god-finger
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