How to control other phone with my phone?

Certainly. You'll need a remote access application. Apps like TeamViewer or AirDroid are designed for this purpose. Simply install the chosen app on both handsets. For it to work, the person holding the other device must grant you permission, usually by sharing an access code with you. This method is quite popular for providing remote technical support to family. Some manufacturers also offer their own built-in solutions, which are worth investigating.