pleasant

nice

agreeable

enjoyable

new message

sms mms

received

receive

inbox

text message arrived

texted

messaging

app sound

appsound

notification sound effect

notify

notifying

notice

notifier

notified

notifies

ui efx

sfx for developers

audio clip

user interface

announcing

announcer

event

indicate

indication

indicating

idea

project

smartphone alert

mobile phone

mobile device

cell phone

cellphone reminder

tablet

production element

application

cellular phone

operating system

program

os

development

signal

signaling

software

reminding

sm mm

text message arrive

text

message

sfx for developer

announce

remind