The opening session of Develop Brighton 2025’s mobile track brought together Supercell’s Charmie Kim and Trailmix’s Felicity Gracie-Herst to discuss ‘leading new frontiers in mobile’.
Mobilegamer.biz founder and editor Neil Long asked the questions. You can watch the full video below.
Eagle-eyed readers will have spotted articles featuring Supercell’s Charmie Kim and Trailmix’s Felicity Gracie-Herst earlier this week.
The above conversation is an expanded version of those stories. For those short on time, you can jump to the relevant sections through these links:
What Charmie is working on at Supercell London
How Felicity feels Love & Pies has evolved since launch four years ago
How Supercell’s AI labs and Spark program have changed the way it thinks about new game ideas
How Trailmix tracks competitors in the merge puzzle space
Experimentation and risk in new game development
Balancing ‘Proven, better, new’ on a live game
What Gen Z / mobile mobile players demand in 2025
What keeps players excited and engaged in a live game long term
Has Supercell’s process around killing projects changed as the company has grown?
New games incoming from Trailmix
AI tools and processes in game production



