It takes time to figure out where exactly a certain class/object/... is
located. Just import all of them. It does not seem to impact the size of
the applet, as there's a blog post writing about performance that does
it the same way [1]. Besides, except for the HelloSTK hello world, I've
seen it in all other code done that way, including 3GPP 03.19 Annex C.
[1]: https://gelvaos.blogspot.com/2011/04/
Add a menu with the following actions:
IMSI Pseudonymization
1 Show LU counter
2 Show IMSI
3 Change IMSI
Selecting "Change IMSI" opens a submenu:
Change IMSI
1 Set 1 as last digit
2 Set 2 as last digit
Except for "Show LU counter", the actions are not implemented yet.