Jio Platforms has quietly launched its first laptop, entering into a new product category as the Indian telecom giant aggressively expands its offerings.The laptop, called JioBook, runs JioOS, a custom Android-based OS that has been “optimized for superior performance” and local languages support. The laptop, manufactured in India, is selling at 15,799 Indian rupees, or $190 — with up to $60 in discounts with certain banking and card partners.