Actually this is quite easy the Option key is your friend here. If you hold down the Option key (or the Alt key on a standard keyboard) while you press the Enter/Return key, that will add the blank line to separate the text in a single text message.
Yes, AstroPay cards can be used for online shopping in India. AstroPay is a virtual prepaid card that can be used for making online transactions, including shopping, without the need for a physical card. It's a convenient and secure way to make payments online.
Users have reported losing money and not receiving any assistance. The app has limited payment options and has been accused of running a scam. It is advisable to stay away from Astropay.