As the web application, you can apply for leave using the mobile app. Emplify providing an easy access to apply for leave in the mobile app. After login to your mobile app, there you observe Leave module. it shows leave balance and near future planned leaves as shown below.
Apply for leave, you need to click on the + button. After that leave application opened, in that you need to select leave type, starting date of leave, ending date of leave, first day details(i.e half day or full day), end day details and provide a description for leave.after that you need to click on the Apply button to submit the leave to your HR/superior.
After clicking on the apply button, you will observe you applied leave in leave module.