Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Jigsaw Unlock App / Application

Jigsaw Unlock App

Jiglock App is a puzzle unlocking mobile phone application. Only when the puzzle is completed can the mobile phone be unlocked and used. People only need to open the application to select the difficulty number of the puzzle. The more the number of grids, the longer it takes to unlock.. Each of the difficulty levels contains 20 selected artwork pieces to choose from.When unlocked, the puzzles will be randomly distributed, each frame is marked with a number, and the images need to be arranged in order to unlock. After unlocking, an information window for successful unlocking will be displayed to show the introduction or story of the picture.


Hubei University Of Technology

Hubei University Of Technology
Engineering and Technology Colloge
WuHan, China

YiBing Hu,
Hubei University Of Technology