Based on the Android platform, the eSurvey SurPad 4.2 software is designed to assist professionals with all types of land surveying projects in the field. Combining with the international mainstream of surveying and mapping data acquisition function, it integrates with professional receiver control, point collection, stakeout, GIS data collection, road measurement, road design, cross-section measurement, railway stakeout, and COGO functions. Its comprehensive functions enhance users’ work efficiency.