Hello!
We have created a dice simulation app for your phone, so don’t need to have many types of dices with you when you want to play Warhammer 40K, D&D, etc. D4, D6, D8, D10, D12, D20 are all available in this app. It is absolutely free, so don’t hesitate to use it 🙂
Please leave your opinion regarding this app, we would be glad to read it!
There are also a Win 10 & Win 10 mobile versions! https://www.microsoft.com/en-us/store/games/maximal-dice-roller/9nblggh4nk5g#app-details
https://play.google.com/store/apps/details?id=com.BezglasnyAA.PhysicallyAccurateDiceRoller