You cant increase the ram of your phone..
However you can increase its performance with some tools...
Try going to the market and search for memory booster.
Hope this helped in any way
The x8 is smaller but thicker on the other hand the arc is longer but thin
Yes, a 2GB memory card is included.
nice but internel momery is very low
If you can hook it up to a computer via USB - the computer can be used to 'interrogate' the phone's memory. All the songs should be in the same area of memory.
There are many different ones, depending on your phone.
It depends what kind of phone you are looking for.
The Xperia X10 is much better than the X8 specially after the Android 2.3.3 update is released for the X10,
The X8 is a mile ahead of the game here. The Razor is very cheap and tacky and a very badly-rounded phone, whereas the X8 can compete with higher end phones in some areas.
Yes
yes
Yes, it is.
yes it does