MobileGym: A Verifiable and Highly Parallel Simulation Platform for Mobile GUI Agent Research. - Dingbang Wu; Rui Hao; Haiyang Wang; Shuzhe Wu; Han Xiao; Zhenghong Li; Bojiang Zhou; Zheng Ju; Zichen Liu; Lue Fan; Zhaoxiang Zhang 001 (CoRR, 2026)