Multilanguage is working but it's not perfectly in some languages it's about % 95 Multilanguage.
ROM link :http://www.mediafire.com/?854uczf838xbhag
Kernel : http://www.mediafire.com/?cxebm1bc1mw8ivk ( works min 134 max 1.6 GHZ )
Themes : 19 Great MIUI Themes : http://www.mediafire.com/?0d4ka3kwmyosckp
After Ported the ROM i did many changes on it so it is not same with which is in the Topic ARC
1--First Download the ROM and copy to your SD card Main directory
2--If you want to use the kernel i say Flash the kernel you download ( if you already have don't need to open fastboot screen)
3--Reboot your phone and when see sony screen push volume down key and enter Recovery Screen
4-- Do factory Reset, Wipe cache
5-- Choose Install Zip File and Choose the file you copied to your SD Card main Screen EmoTR_MIUI_Miyav
6-- When finish Reboot your phone and everything is ok now...
* Do full Wipe Factory Reset and Cache
If still have something wrong at market go to
Settings - Applications - Manage Applications - All Apllications - Clear Data - cache - and close Google services framework and Market then Restart market it must be solved..
Note : This MIUI ROM is Based Manhpro_MiUi_V5.1 Arc / Arc S. (Thx to Manhpro)
I did many changes on this MIUI.
I am not a real developer my knowledge is not enough to develope a ROM. I am only editing ROMs to make more useful - Fast - Longer Battery Life and good looking. If i can help you just a little hit 'Thanks'