Rian Johnson Launches Chromagraph Camera App for iPhone

• Rian Johnson, creator of 'Knives Out', launched a photography app called Chromagraph Camera.
• The app is available on iOS and applies the same image processing used in Johnson's films.
• Chromagraph Camera was created in partnership with cinematographer Steven Yedlin and programmer Eric Cameron.
• The app quickly became a viral hit and surged to the top of the App Store charts.
• The app allows users to take photos with the same color grading as 'Knives Out'.