If you want to make your business work like you need, I can freely suggest to use https://softvoya.com/services/android-application-development which is a professional company, which helps to deal with all the problems concerning the business development. They are meeting all the last trends and standards, especially in web design (UI/UX kits, web design and special templates).

First of all, I can advise to get in touch with recommendations and feedbacks of the clients and customers. A professional portfolio will be showing the last updates and you can check the whole professionalism of the company.

I know what you mean. Since I recently installed an information sign in my office, I haven't figured out how it works yet. That's why I found this site https://support.kitcast.tv/ with Kitcast support. There they quickly helped me solve my problems and answered all my questions! This is very cool and useful, you can use it too! Use it.