mTika is an innovative Android solution aimed at improving immunization coverage in rural Bangladesh, focusing on the enumeration and registration of infants and pregnant women. The app helps maintain vaccination records and sends SMS reminders to patients. When individuals visit vaccination camps, they are registered through the mTika app, which facilitates the creation of personalized vaccination schedules for health workers. It allows frontline health workers to communicate reminders and send bulk SMS messages on vaccination days. The app also employs color-coded flags to identify beneficiaries due for vaccines, encouraging proactive engagement and enhancing timely vaccination rates in these communities. Its primary health focus areas are Vaccination and Immunization.