I downloaded Sencha touch from this link Download for 2.1 GPL. Then I extracted to XAMPP/htdocs folder. Then I downloaded Senchatouch sdk tools from this link. I installed it in /Applications folder. Then in Terminal I cd to Applications/SenchaSDKTools-2.0.0-beta3. Here I run sencha command. But it displays following output in screenshot

I also checked PATH which shows following output

I searched all over internet to find its solution but none of them worked for me.
I also followed following links
Please help me how can I solve it?
UPDATE
After following @TDeBailleul I am getting the same error which is follow.

I first installed JRE then compass and then senchaCmd. I installed senchaCmd in /Applications/XAMPP/htdocs/sencha/ folder. Then I download Sencha Touch SDK form this link. Then I cd to Applications/XAMPP/htdocs/senchatouch/Sencha/Cmd/3.0.0.250/ and issued sencha command but got above output again.