Cloud Android emulators for app developers and coding agents
Declarative WebGPU in S-expressions that compiles to compact bytecode
Stage
Not given
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Founded
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Based in
US
PT
Pricing model
Freemium
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Pricing
Free: $0, 30 minutes a month, 1 device at a time. Hobby: $2/month, 200 minutes a month, 1 device at a time. Pro: $10/month, Unlimited minutes, 2 devices at a time. Enterprise: Custom pricing.
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Key features
Test Android APK builds in a hosted emulator via browser
Give coding agents device control to test and verify builds
GitHub pull request preview environments
Share live device sessions with reviewers by link
Support for Kotlin, Jetpack Compose, Expo, React Native, and Flutter
CLI and MCP access for agents
Isolated and cleaned up build environments
Scoped GitHub token access for builds
Hot reload support and adb access
Terminal trial without account signup
Declarative WebGPU syntax using S-expressions
SJON format for describing pipelines and passes
Compact bytecode compilation
Command-line interface for validation and compilation
Browser API from 3 KB to 17 KB gzipped
Mock GPU inspection tool
Standalone HTML export
What makes it different
No Android Studio or local setup required—test directly in browser
Isolated environments automatically cleaned up after each session
Scoped repository access with short-lived tokens for security
Integrate coding agents directly with device control
Seamless GitHub pull request integration with live preview links
Compiles to few hundred bytes compared to typical GPU programs
Ramus
PNGine