Fig. 1

mCNCP Mobile Application Interface (English Translation). Screenshots of the mCNCP mobile application interface (with English-translated instructions), using an Android tablet or phone. Interface images demonstrate prompts for health workers to measure vital signs, assess for conditions and danger signs, and manage conditions. a Prompt for health worker to provide date and time of birth using a calendar and drop-down time feature, and a table to translate month names from English to Bangla; b Prompt for health worker to measure and record infant’s temperature; c Prompt for health worker to assess infant for severe chest indrawing; d Prompt for health worker to assess infant’s movement and tone; e Generated summary of feeding assessment and feeding advice based on health workers’ responses; f Generated summary of infant’s danger signs, conditions, and referral management advice. At the time of the study, mCNCP pages were displayed in the Bangla language. Most images in the mCNCP version used in the study were taken from Bangladesh’s Comprehensive Newborn Care Package (CNCP) guidelines for newborn assessment, that were developed in collaboration with the American Academy of Pediatrics using open source images from Essential Care for Small Babies (ECSB; Provider Guide), Essential Care for Every Baby (ECEB; Parent Guide), and Helping Babies Breathe (HBB; Provider Guide)