12. A method comprising: determining, by use of a processor, a text selection context for a touchscreen device; ascertaining whether a text selection override policy is satisfied; and replacing application text selection rules with user-defined context-aware text selection rules for the determined text selection context in response to determining that the text selection override policy is satisfied, wherein application text selection rules for at least two different applications are replaced with the user-defined context-aware text selection rules.
17. The method of claim 12 , wherein the user-defined text selection rules include at least one context-aware text selection strategy selected from the group consisting of application purpose, operation history, application relationship, communication partner interaction sequence, culture, language, region, and a text-selection strategy imported from another user.