1. Google drive
if you don’t have sufficient space to store large data and you are thinking you need to buy external memory card to store your data, but don’t worry this Google app will help you to save your data on cloud, you can save upto 15 GB data for free on Google drive this is for free, you have to just make a Gmail account and you can use this service for free.

2. CM scanner
if you want to scan your document and save in your smartphone but you don’t have your personal scanner or printer to scan your your document, you don’t need to buy scanner or printer, you just need to download CM scanner app and scan your all document for free in good quality and store it in your device in your desired format in which you want PDF,JPG or PNG. this app is free you can download it from Google play store.

3. Pics art
if you want to edit your photo without using your laptop or computer you need to download this app from Google play store, by using this app you can easily edit your photo size colour even background from this app, you can do many more things by using this app, it is free you can download it from Google play store but you want to access full feature you need to buy this app.

4. Kinemaster
If you want to edit your videos like a professional in your smartphone you must download this app, Kinemaster is a video editing app which you can download it from Google play store and edit your videos like a professional, you can do everything what you want to do with your video, you can change colour, you can change background, size, audio and many more things, and is very easy to do it and also it is very fast to save your edited video in your device. this app is not free you need to purchase this app to use all the the premium features.