How Mobile World Model Guides GUI Agents? - Weikai Xu; Kun Huang; Yunren Feng; Jiaxing Li; Yuhan Chen 001; Yuxuan Liu 009; Zhizheng Jiang; Heng Qu; Pengzhi Gao; Wei Liu 302; Jian Luan 001; Xiaolin Hu; et al. (CoRR, 2026)