Author

Kanzhi Cheng

Nanjing University

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#computer vision Preprint Oct 2026

OpenMobile-2: Building Versatile Mobile Agents with Scalable Environments and App-Native Tools

We introduce OpenMobile-2, a near-frontier mobile agent with fully open training environments and recipes. We make three key advances: (1) Diverse environments with simulated commercial apps: We build MobileGym++, featuring 35 realistic, functionally rich commercial-style apps with cross-app workflows, while preserving...

Chen-Yang Yan, Ying-Ying Zhang, Kanzhi Cheng et al. · 0 citations

Preprint Aug 2026

OpenVisTool: An Open Recipe for Synthesizing Instructive Visual Tool-Use Trajectories

Visual tool use has emerged as a fundamental capability for multimodal agents to actively acquire evidence beyond a fixed image encoding. The prevailing recipe learns this capability from teacher-generated trajectories filtered for answer correctness, implicitly assuming that every successful demonstration provides eff...

Changhao Xiang, Shi-Lin Zhang, Zheng Ma et al. · 1 citation

Jul 2026

OSReward: Instituting Standardized Evaluation for Cross-Platform Computer-Use Reward Models

OSReward is introduced, a realistic, high-quality benchmark that evaluates VLM judges on CUA trajectories, and an open corpus of reasoning-annotated trajectory judgments for the CUA community, to close the gap in reliable CUA reward at scale.

Qiushi Sun, Kanzhi Cheng, Yian Wang et al. · arXiv.org · 1 citation · ⚡1