Complete Reference for D&D

I really like the to prepare Encounter before play. So I need to prepare encounters and with ONE button put in the Initiative Tracker....

I think that a new tab with "Premade Encounter" or anything like that, where you can put some monsters, click in Run Encounter and they just run it.

Another ...

I'm changing some monsters and making higher CR version of the basic monsters (like Sahuagin..), when I save the monster by the App they clean the text removing every "+" character.

Why?

Thanks for the info.
Btw, a web-based will be awesome!
Thanks in advance.

1- There is some screenshots on the DM tools?

2- There is a web-based platform for preparing adventures on this app?
Because I want to prepare encounters, XP and loot before the play... and this will be awesome to prepare on a PC/MAC screen rather than a tablet screen...

3- If I do buy it on the ...