You may set price alerts for Tokyo Stocks(東証/TSE) (ex:2158/9726/3756) ,you will receive push notification and/or email when prices reach the line you set.
You may keep track on the price change every 1 minute.
Note1:Quotes delayed 15 mins.
Note2:You need internet accessibility to receive push notification , also send email when setting alerts in case of notification cant reach you.