I should consider the possibility that the user is asking for a guide that combines mobile (mobi) with lentils (pappu), maybe a mobile app for recipes or health for a 16-year-old girl. However, without more context, this is speculative. There's also a chance of a misspelling or translation error. Maybe "pappu" is a misspelling of "papaya," and "mob" as in mobile. Or perhaps the user is referring to a mobile app for a 16-year-old girl with some connection to lentils or chutney?