Below are some tips for buying an touch screen mobiles.,
1) never order the mobiles from the add shown on television because if the handset creates any problem then you cant do anything.so always go the store.
2) always go for the branded mobiles phones. they never disappoint you.
3) always choose the latest phones available in the market.
4) always ask so many peoples or should see the reviews on the internet about that phone. it will be helpful for you too choose you best touchscreen phone.