For those of you who want to have multiple grid options higher than Samsung’s TouchWiz default maximum setting of 5×6, you can grab the GRX TouchWiz mod if you have a rooted Samsung device with a custom ROM. The GRX TouchWiz MOD APK will give you a fully-modded TouchWiz launcher capable of giving you higher 6×6, 7×7, 8×8, and 9×9 grid sizes on your home and app drawer.
Fan of Avengers Captain America? You will definitely want this Captain America theme made for Samsung Galaxy S6, S6 Edge, S6 Edge+, S7, S7 Edge, and Note 5. You can also install on older Galaxy phones with custom ROM that supports Samsung theme store.
The following is the official Batman Injustice Edition theme pulled from a Galaxy S7 Injustice Edition smartphone. You can easily install this following instructions at HighOnAndroid.com. This will convert your Galaxy smartphone into Injustice Edition as far as the theme goes. You can also install on rooted Galaxy smartphone like older Galaxy S4, S5, S6, Note 4, or even Note 5 if you have a ported S7/S7 Edge ROM installed.