June 4, 2026Gromka.show – winner of the SportTech Accelerator Skolkovo 2026Out of 253 applications the project became one of 15 winners and took fifth place at the demo dayRead
June 1, 2026Event marketing: why banners lose to an experience on the phoneStatic advertising at events works worse and worse; brands need contact through the viewer’s phoneRead
May 21, 2026Olympic champion Pavel Kolobkov takes part in a flashlight showThe Olympic champion and former sports minister shared a shot from the show where he takes partRead
May 20, 2026A collaboration idea: food delivery to your seat right after the stadium showAfter the show, every viewer could get a promo to order food straight to their seat in the standsRead
April 28, 2026Roman Orlovskiy, founder of Gromka.show – on football, theatre and interactive show technologyBehind every tech project there is a person with an interesting story. Today it is RomanRead
April 7, 2026Pre-match performance with flashlights: Krylya Sovetov vs CSKASamara again: the stands of Samara Arena formed a light picture before the CSKA gameRead
April 1, 2026A technical success: controlling flashlights right from TelegramWe struck a deal with Durov and now sync devices in under 100 milliseconds. Hooray!Read
March 28, 2026Flashlight light show at Nikolay Grinko’s concertThe audience’s flashlights flickered to the music and became part of the concert numberRead
March 27, 2026Fan engagement numbers in a flashlight showWe collected participation data for the show at Krylya Sovetov vs LokomotivRead
March 26, 2026Gromka.show: how to turn thousands of phones into a tool for working with the audiencePress about us: the project turns the room’s smartphones into a single controllable communication channelRead
March 21, 2026A DJ controls the room’s flashlights live: a test at RetroBunker FestAt DJ Tonio’s set the room’s flashlights were controlled straight from the pads, to the musicRead
March 19, 2026Light show and prize draw at Krylya Sovetov vs LokomotivA prize draw was added to the flashlight show, and the number of participants grew noticeablyRead
March 4, 2026Pre-match light show at the stadium: Krylya Sovetov vs OrenburgThe first flashlight show launch at Samara Arena before a cup matchRead
March 3, 2026Gromka.show pricing: you pay only for those who took partA transparent model: you pay for real participants, with no equipment rentalRead
March 2, 2026A colour show with phone screens at Spartak’s stadiumRed-and-white smartphone screens formed a single picture across the stands of a football stadiumRead
February 28, 2026How the light show works: flashlight sync by ultrasound, with no appQR code, browser, sound instead of network: a look at the mechanics of a phone-flashlight showRead
February 25, 2026GROMKA.SHOW now has its own song on Yandex MusicThe single “Yo-Moyo” with lyrics by Sergey Startsev set off to conquer the chartsRead
February 24, 2026An ad in the viewers’ browser right after the showAfter the show the same viewers see a sponsor promo or a draw: an ad slot with high conversionRead
February 22, 2026Flashlight light show in a planetarium, even when the internet is jammedThe show ran with a jammed internet connection: phones synced by sound, not by the networkRead
February 7, 2026Immersive light show in a theatre: the play “A Romance with an Emigrant”The audience at TChK Theatre became part of the play: phone flashlights turned the hall into a light stageRead