Many apps have options that are only accessible from the menu button. Teamviewer has such functionality to simulate pressing this button - I am wondering if airdroid does? Or if now, what are your work arounds?
Here is an example of the menu button on a samsung phone: https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSrIcgydf2mDOtOI0U3JCI7FeYlfsqCk8Wzb86q3DKpiP2gjSORWw
Here is an example of the menu button on a samsung phone: https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSrIcgydf2mDOtOI0U3JCI7FeYlfsqCk8Wzb86q3DKpiP2gjSORWw