agreeable

fun alert

feelgood

glad

loaded

success

accomplishment

achievement

notify

positive

done

successfully

operating system

os

confirm sound

good event

ok

confirmation

indicate

mobile phone

optimistic

optimism

attaining

attained

production element

app

application

videogame

video game

casual game

arpeggio

succession

arpeggiated

sequence

descending

going down

bassoon

woodwind instrument

double reed

aerophone

smartphone

indie game

notification

notice

notifier

achieved

accomplished

idea

multimedia

mobile device

do

operate system

attain

arpeggiate

descend

go down

achieve