Simulators/emulators for mobile browser testing on ubuntu / linux
Install Opera Mobile in Ubuntu (.deb)
it´s faster then the Android-emulators, so better for Web-apps dev.
Opera Labs have made installation in Ubuntu super easy:
You download this .deb
Double-click on it once download has completed
Click on 'Install' in Ubuntu Software Center.
Then open your ’Dash Home’ an wirte 'op'.
Source: http://www.omgubuntu.co.uk/2010/08/install-opera-mobile-in-ubuntu-deb
Use mobile emulation mode in Chrome:
See https://developer.chrome.com/devtools/docs/device-mode#enable-device-mode
http://developer.android.com/sdk/1.6_r1/index.html
I know android has a emulator for linux development I am sure you could use that. I have not used it myself much.