Dear Employer,
I am an experienced Software Developer who has worked on similar projects before. I have read your project description and I am glad to let you know that I can help you build the software that displays ads or popups.
I along with my team would love to assist you in designing and building a software according to your requirements which will have a professional look and feel.
I have strong Command on many different platforms like PHP,JavaScript,C# Programming,Software Architecture,Software Development, etc.
Ping me so that we could discuss about this
Thanks
Lalit Kumar