[Q] Xperia arc 2.3.3-4.0.A.2.368 International Keyboard in X10? Not work

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Xperia arc/PLAY/neo (2.3.3-4.0.A.2.368) International Keyboard apk not work in X10i with 2.3.3? Why? I Copy the apk, and install from X10. But "for close". Xperia arc and X10 have got 2.3.3. Why not compatibile arc keybord of X10i?

Is even an other file needed?
I would like to obtain it standing telephone keyboard. That only the 2.3.3 4.0.A.2.368.

Help me. Please.

Ask on the X10 section.