Not able to add custom tile in Office 365 App

Hi,

Microsoft has given support link to add a custom tile in Office 365 which will be visible in My Apps section or All Apps section.

I am following the given link but it is not showing in new layout of office 365 tile.

https://support.office.com/en-US/client/results?Shownav=true&lcid=1033&ns=O365ENTADMIN&version=15&omkt=en-US&ver=15&services=BPOS_S_TODO_1%2cFORMS_PLAN_E1%2cFLOW_O365_P1%2cPOWERAPPS_O365_P1%2cTEAMS1%2cPROJECTWORKMANAGEMENT%2cSWAY%2cINTUNE_O365%2cSHAREPOINTWAC%2cYAMMER_ENTERPRISE%2cEXCHANGE_S_STANDARD%2cMCOSTANDARD%2cSHAREPOINTSTANDARD&HelpID=O365E_CustomTiles: