And i am also not able to find platforms folder inside the FioriClient.
If you are using SP06 PL02 on Android set the SAPKapselHandleHttpRequests preference to true to enable the AuthProxy plugin to intercept all requests.
C:\SAP\MobileSDK3\KapselSDK\apps\fiori_client\FioriClient\res\xml\config.xml or C:\SAP\MobileSDK3\KapselSDK\apps\fiori_client\FioriClient\platforms\android\res\xml\config.xml
The first location is to be used when Crosswalk is being used.
This setting will be set to true by default in SP07 of the Fiori Client.