How to capture App launcher Key in "E" Devices

[Nitesh Bhardwaj]

Hi All,
As title says ,i want to capture some launcher key in E-66,E-71..etc
the key is envelope key,that is using for launch the message app(default mailbox) ,on single press and launch the mailbox editor on long press.
so is there any way to capture this key,i have tried but got other keys, but not calendar,contact and envelope keys.

any clue...

[ssn.kishore]

This link might help you if the key you have mentioned is also on E90.