Why the current will go above 4ma when I add a app_button?

[fitfuel]

I do my project with the sample BEL_APP_HRS when I add a app_button? The current wii go above 4ma

My code is under here

appbutton.rar

[fitfuel]

My new code is under here

add_MyButton.rar

[Asbjørn]

As Nikita mentions above here, what are the scales on the axis above? Are you able to measure the current in sd_app_evt_wait()?