NOW AVAILABLE ON "GOOGLE PLAY" Download : SAIL JO 2018 Must Download: JO Preparation App Get it here : Download updated FREE ver2.2 App * Uninstall previous version before installing. Or visit Amazon : Amazon.com Cart About this item Features First ever App to prepare for SAIL non executive to executive (Junior Officer) promotion. Quiz like format with multiple choice options Try out sample questions Chapter wise detail Questionnaire Easy to use Interface Technical Details Size: 4.8MB Version: 2.1 Developed By: kApper Product Details Manufacturer: kApper Language: English / Hindi Manufacturer reference: com.appybuilder.kapperindia.JOTutorial ASIN: B078LSWYMR