Dear Friend,

May be you can check  on the internet the various applications  which are available for preparing for the GATE entrance exam.

Having said that , I woud still suggest that you go through the syllabus and accordingly plan your prepartion. At the same time go through the exam pattern also.

At the onset of the prepartion, be thorough with the concepts and practise the sample question papers and past years question papers also.

You can also go through the link that is given below as it talks about the prepration tips for GATE.

How to prepare for GATE 2018

yes ,there are many apps available on play store.