From Dusty Treadmills to Playful Steps: Reinventing Home Exercise on HarmonyOS

Every home gym has that one piece of equipment—the treadmill that becomes a clothes rack, the exercise bike that turns into a towel holder. You buy it with big dreams, then reality sinks in: it's boring, repetitive, and takes a mental push to actually use. Linjing Manyou (临境漫游) is trying to fix that by turning your steps into a natural way to play on your TV, built specifically for Huawei's HarmonyOS ecosystem.

Instead of just putting a treadmill in front of a screen, Linjing Manyou created a machine that feels more like a walking pad—speed ranges from one to six—paired with content that makes you want to step on it. Think 4K real-world trails that scroll as you walk, or a 3D game like Mythology Adventure where you dodge obstacles and collect items by shifting left or right. The whole idea is to make movement feel less like a chore and more like play.

Why Most Home Workout Gear Fails

The biggest problem isn't whether people can exercise at home—it's whether they'll actually use the equipment. Traditional treadmills offer endless walking or running, but there's little feedback to keep you engaged. You start, you stop, and soon the machine gathers dust.

Linjing Manyou's product lead, Zhou Jing, put it simply: they wanted to transform "I have to exercise" into "I want to go play for a bit." That shift sounds small, but it's everything.

Turning Steps into Gameplay

Walking is the most natural human movement. We explore the world on foot, so why not explore a virtual trail on a big screen? The machine is about 1.2 meters wide, giving you room to shift side to side. That's not just for variety—it's essential for gameplay. You dodge, you reach, you explore, all while your hands are free to interact with on-screen characters through gestures.

This isn't about running faster. It's about lowering the barrier to start. Kids line up to replay the game levels. Older users care about stability and cushioning. It's a family activity, not a solo grind.

From Fitness Tool to Family Entertainment

Originally, Linjing Manyou targeted white-collar workers and fitness newbies who lacked motivation. But during testing and at HDC 2026, they saw a broader appeal. Kids couldn't get enough of the games. Older adults appreciated the gentle pace and safety. The product evolved from a personal fitness gadget into a family light-exercise hub.

At the HDC event, the most common question was, "Isn't this just a treadmill?" That question forced the team to articulate their difference: it's not about replicating a treadmill but combining movement, content, and big-screen interaction in one package.

Why HarmonyOS, Not Just Another App Store

Choosing HarmonyOS wasn't a casual decision. The team initially explored other TV ecosystems but found them fragmented—different brands, different capabilities, some with cameras, some without. For an app that needs to sync hardware, screen, and body movements, unstable foundations mean a shaky experience.

HarmonyOS offered something else: a unified ecosystem that connects phones, TVs, wearables, and more. That's crucial for a product like this, which relies on low-latency connections and multi-device coordination. The team even bought tickets to HDC as users to experience the ecosystem firsthand.

It wasn't an easy call. Deeply committing to HarmonyOS meant giving up on spreading resources across other TV platforms. But the team believed in the ecosystem's direction and the potential for deep integration.

The Hard Work Behind "Feels Natural"

Getting the experience to feel "natural" is a technical challenge. Early HarmonyOS SDKs only offered 2D skeletal recognition, making it harder to accurately track poses and avoid interference from bystanders. The team had to work with system updates to improve this, and a new locking mechanism now helps keep the recognition focused on the user, even in crowded demos.

Performance was another hurdle. TV chips aren't as powerful as phone processors, and some older Huawei screens couldn't handle the 3D models. The team had to compress models and tweak resources, balancing visual quality with smooth rendering.

Latency: The Invisible Enemy

Bluetooth connections introduced noticeable lag between steps and screen response. Switching to Huawei's NearLink (星闪) technology cut that lag dramatically, making the experience feel almost instant. For a product where "feet follow screen" is the core, that low latency is everything.

System upgrades also caused headaches. During a HarmonyOS version update, the app would show a black screen. It took two online meetings with Huawei engineers to debug and resolve. The point is, this kind of product isn't a standalone app—it's a dance between hardware, system, and content.

What's Next: Social Features and Smarter Health

Users at HDC kept asking about multiplayer and online features. They want to exercise with friends or family, even when apart. That's on the roadmap, along with better onboarding guides and voice prompts to help new users get started.

Health data integration with Huawei Health is also in the works. The team is navigating interface qualifications and permissions. The long-term vision? A system that recognizes who's on the machine and suggests a gentle forest trail for grandma or a more energetic game for a kid, based on their history.

The Real Difference from a Treadmill

So, what makes Linjing Manyou different? It's not any single feature—it's the relationship. A treadmill solves "running at home." Linjing Manyou solves "being willing to move at home" by connecting steps, games, and the big screen.

That's why it's betting on HarmonyOS. The ecosystem isn't just a distribution channel; it's part of the experience. Stable content delivery, low-latency connections, natural interactions, and future health data all depend on the platform.

The story isn't over. Linjing Manyou is already available on Huawei screens, but the real challenge is getting families to keep coming back. It's not about proving the device works—it's about making movement a daily, enjoyable habit.