We have added following words in version 3.0 you can add them your custom language file also

$lang['Records'] = 'Records';
$lang['Orders'] = 'Orders';
$lang['Delete Order'] = 'Delete Order';
$lang['New Record'] = 'New Record';
$lang['delete this order'] = 'Are you sure you want to delete this order?';
$lang['Receive Payment'] = 'Receive Payment';
$lang['Return Request'] = 'Return Request';
$lang['Return canceled'] = 'Return canceled';
$lang['Payment History'] = 'Payment History';
$lang['Recharge Account'] = 'Recharge Account';
$lang['All'] = 'All';
$lang['Wallet'] = 'Wallet';
$lang['Balance Added'] = 'Balance Added! Please Refresh The Page!';