Android is full with customization. You can change lot of things especially on user interface. And now you can have Xperia Arc Launcher on your Android phone too. No need to buy a new Sony Ericsson Xperia Arc to enjoy Xperia Arc Launcher.
This Xperia Arc Launcher should works on Eclair, Froyo and Gingerbread with 480×800 resolution. You can download other resolutions launcher like 480×854, 480×640, 320×480 and 240×320 at XDA website. And try out the landscape mode too if you want.
Download Xperia Arc Launcher here.