Help with yet another droplet app

Question

I've come to love these forums because I can get help so quickly!
I want to make an droplet app that uses a simple terminal command "adb push *filename /sdcard/"
I have a few apps that are similar, but don't quite work. I was able to make it push the file but not to the directory /sdcard/ like i wanted. Also the way i was doing it was only allowing me to distinguish one type of file (.zip for example).
this is what i have so far, but when i try to add the /sdcard/ the command doesnt work right.
on open these_items
repeat with this_item in these_items
set this_item to this_item as text
tell application "System Events" to get (class of disk item this_item) as text -- get the type of the item
if the result is "file" then -- files only
set this_item to quoted form of POSIX path of this_item
do shell script "adb push {} /sdcard/" & this_item & space & signed_item
else
display dialog this_item & " is not a file"
end if
end repeat
end open

Answer 1

Is that your entire script? If so at least one of your problems is the line:
do shell script "adb push {} /sdcard/" & this_item & space & signed_item
For one, nowhere is signed_item defined, so AppleScript is going to error out when it tries to run this command (posting whatever error message you get when the script fails goes a long way to help identify the problem, BTW).
The second problem I see is that this line won't match your original goal:
I want to make an droplet app that uses a simple terminal command "adb push *filename /sdcard/"
From this it sounds like the input filename has to be specified between push and /sdcard. However, in your AppleScript you put this_item after /sdcard/, so you've reversed the parameters.
To match your original request your AppleScript command should look more like:
do shell script "adb push " & this_item & " /sdcard/"
but I still don't know where signed_item comes into play.