Hot answers tagged mouse
Smartphones and tablets have an obvious problem with events like mouseover: When there’s no mouse cursor, there’s no way to mouse over controls. Some techniques may be applied as a work around, but it's hard to have them working decently. Testing: with minimal success Don't know what browser are you using, but with my phone: Agent: Mozilla/5.0 ...
Yes, you need an OTG cable. The pin layout is different than a regular micro USB to USB cable; essentially, it's equivalent to shorting pins 4 and 5 on a normal cable. This is what causes the phone to know that it needs to be the host rather than the slave. In fact, you can do this yourself if you're handy with electronics and have a cable you don't mind ...
As Liam W suggested, have you tried the any of the developer options? On at least 4.0 (ICS) and higher (and perhaps older versions, someone else will have to verify) in Settings > Developer Options check out Show Touches and Pointer Location (screenshots and short descriptions here). Neither are exactly what you're looking for, but perhaps you'll find them ...
I just usually long-press the item until I get the popup menu from the browser, press back to hide the menu and the hover is activated. Not a foolproof method but works most of the time. This way I can be almost sure that the tap doesn't send a click event. Tested on 3.2, 4.0, 4.0.2 vanilla browsers and Chrome/Chrome beta on ICS.
To connect any device to your Galaxy S3 (or any other host-capable Android device), you need a OTG host cable. Without that host cable, the phone doesn't know it's supposed to act as the host rather than as a peripheral. This is an example of such a cable. Most online retailers carry similar ones.
There is a fantastic project underway called Android-VNC-Viewer has several input modes that would capture mouse movements/actions like right click.
Android Mouse and Keyboard might be able to do what you want. Install it on one device, use it in bluetooth mode, and then sync that device's virtual bluetooth keyboard and mouse to the other device just as you would a real bluetooth keyboard or mouse.
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