How to Show important places route between two locations

问题

I am developing an app that displays some important points in a map between two locations specific single route. like as following example.if any one know about these related works please let me know.

example point A-> x point B-> Y

in given X & Y single route show Hotels / filling stations etc.... using check boxes

Is this possible? If yes, can you point some tutorials?

来源：https://stackoverflow.com/questions/16973039/how-to-show-important-places-route-between-two-locations