Hello, I have over 3 years of extensive mobile apps testing experience for Android/iOS & even other phones of various OS versions, Screen Sizes, etc. Please provide me more details, can surely assist you for authentic testing using both manual & tools approach.
Here are the steps for testing that I'll take to complete this project:
1. Create the test plan.
2. Write the test cases.
3. Log the issues in Excel sheet or any tool if required.
4. Test the mobile application in different phone.
Thank you.