How to find a certain Pokemon in any game ?

Open PBS/Encounters and press Ctrl F and write the name of the desired Pokemon

How to purify shadow pokemon in postgame ?

Go to Azure Town, Lab; on the top left, you will find a scientist who will purify your shadow Pokémon. 

Is there a post game content for Nebula 2 ?

Yes there is , to start talk to looker after the credits ,There are 2 extreme challenges in Pokemon Lab post game in update 1.1 or Above

Where to get exp share ?

Nebula 2: you get it when you talk to a scientist that is near Looker's office

Can i transfer Pokemon from Nebula 1 to Nebula 2 or 3 ?

Yes you can but in the post game (Location: Pokemon Lab in police department)

Where do i get Dynamax Band ,Mega stones, Mega Ring ?

Nebula 2:After the first mission, Looker will give you the Dynamax Band

Nebula 2:Before the final mission, Looker will give you the mega ring and you can have access

to department store Rank 3 , you need Level 3 passcard

How to Raise Friendship in Pokemon ?

-Catch the Pokemon in a Luxury Ball or Friend Ball (preferably Luxury Ball)

-Use Vitamins on the Pokemon

-Use the Pokemon in battle

-Keep them in your party as you travel or as your first Pokemon

How to install the game to joiplay ?

1) you need to download Joiplay 1.20 and RPGM Plugin 1.20 versions on your android phone

2) download the game into your pc or lab

3) copy paste that rar file into your phone

4) then use rar extraction on your phone

5) add game and find Game.exe inside pokemon nebula file

then start

How can i speed up ?

In Nebula 2 or 3 press Q