MIDlet in 6131 Secure applications folder

[I][B]Hi all ,[/B][/I]
In 6131 there is a folder [B]Secure applications [/B]in[B] Applications[/B]. I found some MIDlets appears within it after installation. So i would like to know
how could i prepare my MIDlet, in order to install it with in the [B]Secure applications[/B] folder in 6131 nfc phone..?

Thanks in advance.
Regards
Anish