Can I do STP on my smartphone? Claire Easy Payslip January 09, 2020 03:39 Updated Follow Yes, employers can process payroll on their smartphone with the Easy Payslip payroll app that is available on Apple and Android devices. To get started, simply download the app via the App Store or PlayStore. Related articles Process Payroll and STP What is Single Touch Payroll (STP)? Comments 0 comments Article is closed for comments.