OpenIAB In App

How to set In app product id using OpenIAB for Android? sample code is

 public const string SKU_MEDKIT = "sku_medkit";
 public const string SKU_AMMO = "sku_ammo_pack";
 public const string SKU_INFINITE_AMMO = "sku_infinite_ammo";
 public const string SKU_COWBOY_HAT = "sku_cowboy_hat";

 

 private const string STORE_ONEPF = "org.onepf.store";

 
 private void Start() {
     // SKU's for iOS MUST be mapped. Mappings for other stores are optional
     OpenIAB.mapSku(SKU_MEDKIT, OpenIAB_iOS.STORE, "30_real");
     OpenIAB.mapSku(SKU_AMMO, OpenIAB_iOS.STORE, "75_real");
     OpenIAB.mapSku(SKU_INFINITE_AMMO, OpenIAB_iOS.STORE, "noncons_2");
     OpenIAB.mapSku(SKU_COWBOY_HAT, OpenIAB_iOS.STORE, "noncons_1");

     OpenIAB.mapSku(SKU_MEDKIT, STORE_ONEPF, "onepf.sku_medkit");
     OpenIAB.mapSku(SKU_AMMO, STORE_ONEPF, "onepf.sku_ammo");
     //OpenIAB.mapSku(SKU_COWBOY_HAT, STORE_ONEPF, "onepf.sku_cowboy_hat");
     OpenIAB.mapSku(SKU_COWBOY_HAT, STORE_ONEPF, "onepf.sku_cowboy_hat"); 
     OpenIAB.mapSku(SKU_INFINITE_AMMO, STORE_ONEPF, "onepf.sku_infinite_ammo");


     var options = new OnePF.Options();
     options.storeKeys.Add(OpenIAB_Android.STORE_GOOGLE, "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtKiFBiESx95DM1B6acfQVSns4fHR8wwvwzvHTwYac2TWEBdTkvn2tmZwu61NYrp2Puq1qHfgRM2M1pZcfmtUcDwTInP7uD5Gebom8MrOQfC6L8gMj9uksq1MyYq3vhkcHibKhpF47iaLvWsSnzYuwZ0iWGYh71OA2G7S28D1ikQdG+pzJdw9eFi6W+Gmfo0INII30npkNHwxnDv9wZ+eGqvp5M/JqZF3O3p8kjvsUb2IQj7eZlvSAhM/Z2p5XdSi1Os1r2Xu4um0Wv2HcgcbfCJqBwruuZVE+51zyPUMRYkm2/Nv9MyIEHmejvo0wHRmW1iuUzbwgEnkJYxPRqVUKwIDAQAB");
           OpenIAB.init(options);
 }