The JSON you provided is invalid as you have not escaped the backslash '\' characters.
Once '\' is changed to '\' the JSON is valid:
{
"applicationName":"firstapp",
"applicationId":"com.parcello.firstapp",
"versionString":"1.0",
"iconName:":"resources\\icons\\Icon.png",
"inputPath":"\\",
"outputPath":"C:\\Users\\mitch\\Desktop\\touch-2.3.0\\firstapp\\and\\",
"configuration":"Debug",
"platform":"Android",
"deviceType":"Universal",
"certificatePath":"C:\\Users\\mitch\\Desktop\\touch-2.3.0\\firstapp\\release.keystore",
"certificateAlias":"firstapp",
"sdkPath":"C:\\Users\\mitch\\android-sdks",
"orientations": [
"portrait",
"landscapeLeft",
"landscapeRight",
"portraitUpsideDown"
]
}