Running an Android OS on your device gives you a complete liberty to personalize things the way you want it. This is the power of Android. And to help you with this personalization, there are ample of apps available on the Play Store.
Walloid is one such app from developer HashCode which will replace your wallpaper with various Stock ROMs (OEM), Custom ROMs, and Material wallpapers. Walloid comes for free on the Play Store with more than 3000 material design mobile wallpapers that go well with the Lollipop interface.
There’s a paid version of the app available which brings the users an Ad-Free Experience, Unlimited Access to Favorites Section, Unlimited Access to Widget History Section and Unlimited Access to HD Wallpapers Section to name a few.
If you are one of those who likes to play around with Android and always tries to make your phone look more appealing, then you must go for this app.