Hi there! We’re the DevRel team at AnotherBall. AnotherBall was a gold sponsor of DroidKaigi 2026 and iOSDC Japan 2026, and we ran a booth at both — our first ever. Over five days, 705 people stopped by. Android and iOS engineers built their own avatars in Avvy and tried out our face tracking. In this post, we’ll cover how we designed the booth and our talks, and how we used what we learned at Dr…

Hi there! We’re the mobile engineering team at AnotherBall. AnotherBall is a gold sponsor of iOSDC Japan 2026! You’ll find us at Sponsor Booth A, so please stop by. You can build an avatar in Avvy and walk away with an instant photo of it 😊. On Saturday, September 12 at 17:15, RIO (@rioX432) from our team is also giving a Rookies LT (lightning talk). We’d love for you to catch it! Event Details …

Hi! I’m @fortkle, Tech Lead and Engineering Lead for the Avvy division at AnotherBall. Alongside product development, I also conduct first-round interviews for server-side engineers. Recently, I made a small change to how I ask questions in those interviews. It was not a major redesign of the interview process. I simply split what had previously been a single design question into several stages. …

Hi there! We’re the mobile engineering team at AnotherBall. AnotherBall is a gold sponsor of DroidKaigi 2026! We’re bringing a booth too! You can build an avatar in Avvy and walk away with an instant photo of it. And on September 3 at 12:20, RIO (@rioX432) from our mobile team takes the stage in Meerkat. Event Details Official site: DroidKaigi 2026 Dates: Tuesday, September 1 – Thursday, Septembe…

Hi! I’m Tsuji, a server-side engineer at AnotherBall. Most days I’m writing backend code, or chasing an infrastructure alert down a rabbit hole and shaving a yak somewhere along the way. What to Do With the Room AI Frees UpHow is AI working out for you these days? AnotherBall is no exception — we use AI company-wide, for development and for plenty of things that aren’t development. How AI Put Our…

IntroductionHi! This is the iOS team at AnotherBall. From June 7 to 9, 2026, one of our iOS engineers attended WWDC26 in person in the US, flying in from Tokyo. Below is their first-hand report! About WWDC and the Special EventWWDC (Worldwide Developers Conference) is Apple’s annual developer conference. If you’re in the Apple Developer Program, you can enter a lottery, and the developers who win…

Hello there! I’m Davide from the AnotherBall Mobile Team. At AnotherBall, many client engineers (myself included) had years of experience in the video game industry before joining the native client team. Today I want to talk about what a team with mixed backgrounds brings to the table — the friction, the upsides, and how AI can help smooth things out. Different problems to solveAt a fundamental l…

Hi there!I’m RIO (@rioX432) from the AnotherBall Mobile Team. I recently gave a talk at Mobile Study Group: Wantedly × teamLab × Sansan #24 about the build performance impact of upgrading Kotlin from 2.0.20 to 2.3.20 in our KMP project for the live streaming app Avvy. Slides SummaryWe share domain logic across iOS and Android through our KMP module persona-domain-kmm (25 repositories, 33 UseCases…

Hello! We’re the iOS team at AnotherBall. In a previous post, our mobile team introduced the multi-repository architecture behind Avvy — covering how Kotlin Multiplatform (KMP) and Unity as a Library (UaaL) are built, distributed, and integrated across five repositories. What makes Avvy technically interesting is how naturally UaaL and native code work together. In this post, we’ll zoom into the …

Hi, I’m @fortkle, a Tech Lead and Head of Engineering for the Avvy team at AnotherBall. In this post, I’ll share how I built a custom Chrome extension that overlays a kanban view on top of Linear — making it easier to spot stagnation and priority misalignment in our Scrum workflow. The Physical Whiteboard Kanban That Just WorkedOur Avvy development team uses Scrum, with a kanban board at the cent…