There should be government regulation around - according to which criteria internet browsers are offering their users default search engines. So for example if

There should be government regulation around - according to which criteria internet browsers are offering their users default search engines. So for example if I make new internet search engine how do I get Apple and Google to offer it in their browsers as default search engine. Because it seems like Apple and Google are doing it on voluntary basis of good will not because government or anybody else told them to do so.