A free app for Android, by ODVgroup.
This app is a very simple tool for making and viewing 3D holograms. The best thing is that it is free and you can use it to make some cool holograms, and to view them on your phone or tablet.
If you want to know how to make a hologram, you can follow the instructions in this app. It is very easy to do and it only takes a few minutes to complete.
Once you have made your hologram, you can view it on your phone or tablet, or on a larger screen. If you want to view it in 3D, you need to use a holographic screen or display.