Applications can be minimized in Nokia S60 versions by pressing the Home Key.
But in case of S40 it was impossible but there is a trick with which you can minimize the Java Applications in Nokia S40 as well.
Steps.
There are Basically 2 Major[But Easy] steps.
1]Edit the product profile.ie. disable phone security.
2]Edit Java application.
6]Save the *.pp file on Desktop.
7]Open the *.pp file in Notepad.
8]In case the Phone is
a]Nokia s40 v3 then Search for 28 1line and change it to 28 2.
b]Nokia s40 v5 then Search for 48 and change it to 48 2.
c]In case there is no 48 or 28 then add the Appropriate line i.e 48 2 or 28 2.
9]Save the *.pp.
10]Open JAF>BB5 Tab.
11]Tick the following:
a]Upload pp
b]Normal Mode
c]CRT-308[Already Ticked]
12]Click on Service.
13]Select the *.pp File.
14]After it shows Done, Select Normal Mode from the Drop Down Menu.
15]Phone will Restart and show “Test in RNDIS USB mode?”,Press NO.
*This popup will be shown on every restart this is normal*
Now we have successfully disabled the Nokia Security wall.
Nokia-MIDlet-no-exit: true
6]Save the notepad file.
7]Click on Yes when WinRAR asks to Update the Archive.
8]Copy the *.jar file to Nokia.