Highlights of G&G April 2019 issue: Cover Story Foldables Have Miles to Go When the novelty wears off, tech giants could be struggling to justify the utility and astronomical pricing of folding phones.   Tuning Up Local and global players are wooing Indian consumers with music streaming services. Differentiation will decide who wins and who loses.   Reviews Asus ROG phone Huawei P30 Pro Redmi Go Amazon Echo Show 2nd Gen