Proof of Concept

Proof of Concept published 3 applications on Google Play, 41 people rated these apps with an average rating of 2.43!

Digit Dial by Proof of ConceptDigit Dial

Rated 0.00(0) — Proof of Concept

Digit Dial allows you to dial single digits to call predefined phone numbers (speed dial). For example: try to call "1" and it will call "123456".There's no custom dial screen. Just dial the number as always, using the standard dial screen, and Digit...

$0.50
Shisen Sho by Proof of ConceptShisen Sho

Rated 3.59(34) — Proof of Concept

Shisen Sho Mahjongg is a board game similar to Mahjong.The goal is to remove all the tile pairs. Two tiles can be removed if a line with a maximum of three segments can be drawn between them.This game is licensed under GPLv2.

Free Game
Digit Dial One by Proof of ConceptDigit Dial One

Rated 3.71(7) — Proof of Concept

Digit Dial One allows you to dial single digits to call predefined phone numbers (speed dial). For example: try to call "1" and it will call "123456".There's no custom dial screen. Just dial the number as always, using the standard dial screen, and Digit.

Free App