Oleg Shlyamovych

CEO & Co-Founder, CAS.AI — Mobile Ad Monetization & Game Publishing

“Building the independent ad mediation platform for 5,000+ apps worldwide”

About

Oleg Shlyamovych is the CEO and co-founder of CAS.AI, a mobile ad mediation and game publishing platform trusted by 5,000+ apps worldwide. With over 12 years of experience in mobile game development and ad monetization, Oleg has overseen the growth of CAS from a kids’ games studio (PSV Games, founded 2014) into a global publishing and mediation platform processing 1 billion+ monthly ad impressions.

Under his leadership, CAS.AI has published 200+ games with 5 billion+ total downloads, built an independent ad mediation SDK supporting 20+ networks and 150+ DSPs, and developed a publishing model that invests up to $1M/month in user acquisition. The company operates offices in Berlin, Kyiv, Dubai, Limassol, and Krakow with a team of 150+ professionals.

Oleg specializes in ad monetization strategy, hybrid bidding (waterfall + RTB), impression-level revenue data (ILRD), ROAS optimization, and data-driven game scaling. His practical approach combines deep technical knowledge with hands-on experience managing a portfolio of hundreds of live titles across every genre.

Oleg regularly speaks at international game industry events including White Nights Berlin, Games Gathering Kyiv, Google AdMob Summit Dubai, and Talents in Games. He shares insights on mobile monetization trends, UA economics, and the evolving ad tech landscape.

Areas of Expertise

Mobile App Monetization Ad Mediation & RTB Mobile Game Publishing User Acquisition & ROAS Hybrid Monetization (IAP + IAA) Impression-Level Revenue Data (ILRD) SDK Architecture Game Analytics & KPIs

Speaking & Events

App-ads.txt: Don't Add This — How Game Devs Lose eCPM and Traffic CAS.AI Channel — 2026
Why 99% of Mobile Games Fail to Scale After Launch CAS.AI Channel — 2026
Google AdMob Summit Dubai — 2025
10 Awesome Hacks of Ads Monetisation Digital Dragons Conference — Krakow, Poland — 2022
Mobile Games for Kids: 2M Daily Players & Ad Mediation Tochka G — IT Business Podcast — 2022
White Nights Berlin — 2022
Talents in Games Online — 2022
Games Gathering Kyiv — 2021
Ad Mediation in Mobile Apps ASO Secrets Conference — 2020

Articles by Oleg Shlyamovych

AdTech & Monetization

Google Play’s 2027 Memory Limits

Starting in February 2027, Google Play will measure how much memory Android apps and games use, and how much unused code they ship. The new limits depend on device RAM and are judged on the 90th percentile of usage over 28 days. Apps that cross the limits risk reduced store visibility and restrictions on publishing updates. For anyone monetizing with ads, this is a revenue issue, not just an engineering one. Every network SDK adds code, and every preloaded creative holds images and media in RAM. On 4 GB phones, that margin is thin. When Android slows or closes an app, the session ends, and so do the impressions in it. The fix starts with a leaner mediation stack: fewer heavy SDKs, smarter preloading, tighter code. CAS.AI helps publishers keep the networks that earn their place while protecting speed and stability. Read how to prepare before the February 2027 deadline.

November 4, 2026 7 min read

Google Play Game Finder and Gamer DNA feature with Google Play Games icon and gaming controller on a dark background.

AdTech & Monetization

Google Play’s Game Finder Wants to Know Your Gamer DNA.

On October 13, 2026, Google launched Game Finder, an AI-powered feed in the Play Store that builds a personal “Gamer DNA” profile for each player. Using Gemini, it recommends games based on signals like session length, pace, and core gameplay, and explains why each title fits. Players can fine-tune the feed, including steering away from heavy in-app purchases. Access is limited to opted-in adult players in the US for now, but Google has confirmed that more markets are coming. The shift is clear: discovery is moving from charts and keywords to personal relevance. For developers, that means store metadata should communicate feel, not just features, and monetization becomes part of how a game gets matched to its audience. Ad placements that break a player’s rhythm hurt retention and recommendations alike. Here is what Game Finder changes, what remains unknown, and how to prepare with a well-tuned ad-supported or hybrid model.

November 3, 2026 9 min read

Mobile ad monetization metrics that help app developers measure and optimize advertising revenue. Copy

AdTech & Monetization

Mobile App Monetization Metrics Glossary

Pull up an ad dashboard and you are hit with a wall of numbers. Most are technically correct, but almost none tell you what to do next. This glossary breaks mobile app monetization metrics into the questions they actually answer: what your inventory is worth, what each user is worth, whether you are spending wisely to acquire them, and where revenue leaks out in the auction. You will find clear formulas and quick examples for eCPM, ad fill rate, ARPDAU, ARPMAU, CPI, and eROAS, plus a guide to ad formats like interstitial, rewarded video, native ads, and offerwalls. We also explain how ad mediation, waterfall, header bidding, RTB, DSP vs SSP, and app-ads.txt shape your results, and close with a six-step weekly routine for spotting problems fast. Whether you run a casual game or a utility app, you will know what to track and what to fix.

October 28, 2026 9 min read

CAS.AI SDK Hybrid Monetization and Mobile Ad Mediation Architecture

AdTech & Monetization

Halloween in Mobile Gaming: A Full-Funnel Playbook

Most mobile game teams treat Halloween as a date on the calendar: add a pumpkin, launch a spooky banner, and wait for the revenue. The data says otherwise. Median Halloween-week revenue across top titles barely moves, so the holiday brings attention, not dollars. Players show up in October, but whether they install, return, or spend depends on your offer and your promotion. What turns that attention into results is the plan behind it. This playbook walks through the full funnel: building acquisition around the first session, bringing lapsed players back, deciding which LiveOps events are worth the effort, running a smarter in-app and web shop, monetizing players who never buy, and measuring what sticks once October ends. You'll also find a practical checklist for before, during, and after the event, plus sources flagged for age and vendor bias. Use it to finish this season strong and start planning next year's.

October 16, 2026 16 min read

3D render illustration showing abstract e-commerce and mobile ad mediation icons (shopping cart and megaphone) on a dark metallic platform.

AdTech & Monetization

Beyond the App Store Tax: Are Webshops Worth It for Mid-Size Publishers?

Every mid-size publisher has heard the webshop pitch: dodge the App Store's 30% commission, keep more margin, done. The math looks clean on a slide, less clean in your actual P&L. This piece breaks down what's really changed in 2026's commission landscape (Apple's proposed 15% link-out fee, the EU's Core Technology Commission), and runs honest numbers on what a webshop actually captures: existing payer spend, not new revenue. First-purchase conversion sits in the low single digits industry-wide, which means a webshop only ever touches a small slice of your base; the 95%+ who never pay get nothing from it. The real opportunity most mid-size publishers leave on the table isn't the app store tax. It's ad yield on the non-paying majority. This is a decision framework for building both channels correctly, rather than picking a side.

October 4, 2026 14 min read

Abstract 3D graphic with dark panels, glowing yellow grid lines, and data metrics representing CAS.AI technology.

AdTech & Monetization

High Season Playbook

Q4 ad monetization usually turns into a mad dash at the last minute, but the teams that actually win break the quarter into four sleek phases instead of treating it like one endless holiday sprint. The secret is to sync your strategy with the market’s mood swings: September and October are your time to fix tracking, rebuild those audience pools, and run scrappy, low-cost creative tests. Come November, it’s all about scaling up fast and tweaking price floors to catch those sky-high Black Friday eCPMs. By late December, the smart move is to double down on App Store Optimization and scoop up zero-CPI organic installs from all those shiny new devices getting unboxed. And when January rolls in, you get a golden window for cost-effective retention campaigns while CPMs take a nosedive. If you stick to this phased game plan instead of scrambling mid-season, you’ll keep your fill rates healthy, squeeze every drop from peak ad revenue, and set yourself up for user value that actually lasts past the holidays.

September 28, 2026 13 min read

CAS.AI mobile ad mediation dashboard with performance metrics and analytics graphs

AdTech & Monetization

Metrics That Deceive: High eCPM and Low CPI Don’t Guarantee Profitability

High eCPM and low CPI mean nothing for profitability. Both are gross, averaged, and time-lagged. eCPM hides falling…

September 14, 2026 16 min read

Diagram illustrating a hybrid monetization strategy blending In-App Purchases (IAP) and In-App Advertising (IAA) for mobile apps in 2026.

AdTech & Monetization

Hybrid Monetization 2026: Adapting Your User Acquisition for a Blended IAA + IAP Model

Your UA team is busy chasing D7 ROAS. Product rolls out new IAP bundles. Ad ops keeps adjusting interstitial floors. Each team is optimizing on its own, and the player ends up stuck in the middle. They get hit with ads before they even see a purchase offer. Or they run into a paywall when all they wanted was a rewarded video. Hybrid monetization tossed out the old playbook. You cannot just pick ads or IAP now. The studios that win in 2026 run both at the same time for every player. Now every user has two lifetime value curves, not one. Mediation decides who sees ads, how often, and under what rules. This piece covers where studios slip up when they try to add hybrid monetization to a UA plan that only thinks about one thing. It shows how one mid-core studio rebuilt its stack using entitlement checks and frequency caps for different player groups. There is also a five-step sequence for setting up mediation without ruining the player experience.

August 12, 2026 15 min read

Two mobile phones displaying revenue growth charts and data analytics with promotional text Grow Together, Earn Together for CAS.AI mobile game ad mediation program.

AdTech & Monetization

CAS.AI Launches Referral Program

Grow Together: Introducing the CAS.AI Referral Program Scale your revenue beyond your own games with the new CAS.AI Referral Program. We’re turning community trust into a powerful third growth engine for mobile developers. How it works: • Earn Passive Income: Receive 1% of your referred partner’s ad revenue every month for a full year. • Performance Boost: Refer five or more active partners in a single month to jump your rate to 1.5%. • Guaranteed Start: Your first month’s bonus is guaranteed, with no revenue thresholds applied. • Simple Setup: Partners just enter your account name when signing up at cas.ai/company. Whether you are a studio founder, a mediation partner, or a publishing expert, you can now turn your professional network into recurring yield. [Read the Full Article] Ready to start earning? Log in to your dashboard to find your account name and start referring today.

April 16, 2026 6 min read

Mobile Game Growth

The Mobile Game Publishing Reality

This article breaks down the brutal math: only 1 in 300 indie games reaches $30,000/month, compared to 1 in 10 for publisher-backed titles. The reason comes down to three structural gaps: marketing budgets too small to fuel growth, no predictive analytics to guide user acquisition, and compounding disadvantages in CPI and ARPDAU that make breaking even nearly impossible.

April 8, 2026 10 min read