Default [Q] Keyboard issues?

Wondering if anybody can help?

When using gmail or the messaging app, I've noticed a glitch when pressing the menu key.

Upon pressing the "menu key" and then "attach file" you will notice that the keyboard doesn't dissappear which means I'm unable to select the option required

Pressing the back key to clear the keyboard brings me back to the beginning.

It's only a minor issue but it is frustrating as my Galaxy Note 2 is my main means of communication, document production etc.

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