Well, I am not a specialist in this, but you can check different blog posts on the site on this development company https://fireart.studio/blog/10-best-examples-of-designing-mobile-navigation/ . They are writing articles about modern solutions in web development and design. I believe that it should be actual for you

Thank you everyone for this informative thread. Can you also recommend me some companies that can help me to make special apps for this sphere?

Hello in fact, you may encounter problems such as Buggy in applications that help the application not work efficiently and constantly hang and load for a long time, or for example, there is a lot of inconsistency in the application interface, but the site https://androidbughunter.com/ will help you to cope with it, which I will now recommend to you, this is really the best site