I live in Europe; in Europe they speak about 23 languages. In some countries it is even common to speak more than 2 or 3 languages. Especially for these countries localisation of applications and websites is very important.
So you need to come up with a strategy on how to localize all your
In Sencha Touch localization works a little different than in Ext JS, since there are no packages; but overall the basic idea is the same: